{"id":3083,"date":"2026-09-02T01:52:00","date_gmt":"2026-09-02T01:52:00","guid":{"rendered":"https:\/\/www.cameraegg.org\/camerareview\/?p=3083"},"modified":"2026-09-16T08:38:46","modified_gmt":"2026-09-16T08:38:46","slug":"best-memory-cards-for-insta360-x4","status":"publish","type":"post","link":"https:\/\/www.cameraegg.org\/camerareview\/best-memory-cards-for-insta360-x4\/","title":{"rendered":"Best Memory Cards for Insta360 X4"},"content":{"rendered":"<div class=\"gagen-article gagen-v2\"><div class=\"article-intro\">\n  <p>The Insta360 X4 is an 8K30 360 camera with dual 1\/2-inch sensors, a 200 Mbps bitrate ceiling, and <em>no<\/em> built-in storage. Insta360\u2019s manual is clear on the slot: exFAT microSD, UHS-I, V30 or above, 1 TB max. The same page says do not use UHS-II, UHS-III, or cards larger than 1 TB \u2014 those fail recordings. There is no card in the box, and there is no 47 GB X6-style buffer. Official 8K30 High Bitrate is 1.5 GB per minute. The 2026 stick that matches that camera \u2014 and sits on Insta360\u2019s own X4 tested table \u2014 is the SanDisk Extreme PRO 256GB UHS-I microSDXC (SDSQXCD-256G). It is not a Samsung EVO Select, and it is not a UHS-II V60.<\/p>\n<\/div>\n\n<div class=\"quick-picks-box\">\n  <div class=\"qp-header\">\n  <h2>Our Top Picks at a Glance<\/h2>\n  <p class=\"qp-sub\">Updated September 2026 \u00b7 Insta360 X4 \u00b7 no internal storage \u00b7 UHS-I V30 \u00b7 8K30 High = 1.5 GB\/min \u00b7 no UHS-II<\/p>\n  <\/div>\n  <div class=\"qp-cards\">\n  <div class=\"qp-card qp-card--gold\">\n  <span class=\"qp-num\">01<\/span>\n  <span class=\"qp-badge\">\ud83c\udfc6 Best Overall<\/span>\n  <strong class=\"qp-name\">SanDisk Extreme PRO 256GB UHS-I<\/strong>\n  <div class=\"qp-rating\">\u2605\u2605\u2605\u2605\u2605 <span class=\"qp-score\">4.7 \/ 5.0<\/span> <span class=\"qp-reviews\">\u00b7 2026 pick<\/span><\/div>\n  <p class=\"qp-why\">SDSQXCD-256G. On the X4 tested list. U3 \/ V30 \/ A2, 200\/140 peaks. One battery of 8K30 with room.<\/p>\n  <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"qp-btn\" rel=\"nofollow noopener\">Check Price at Amazon<\/a>\n  <a href=\"#best-overall\" class=\"qp-jump\">Read full review \u2193<\/a>\n  <\/div>\n  <div class=\"qp-card qp-card--green\">\n  <span class=\"qp-num\">02<\/span>\n  <span class=\"qp-badge\">\ud83d\udc8e Best Value<\/span>\n  <strong class=\"qp-name\">SanDisk Extreme 256GB UHS-I<\/strong>\n  <div class=\"qp-rating\">\u2605\u2605\u2605\u2605\u2606 <span class=\"qp-score\">4.6 \/ 5.0<\/span> <span class=\"qp-reviews\">\u00b7 2026 pick<\/span><\/div>\n  <p class=\"qp-why\">SDSQXAV-256G. Also on the X4 table. Same V30 floor, 190\/130 peaks. Not a Switch Extreme.<\/p>\n  <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"qp-btn\" rel=\"nofollow noopener\">Check Price at Amazon<\/a>\n  <a href=\"#best-value\" class=\"qp-jump\">Read full review \u2193<\/a>\n  <\/div>\n  <div class=\"qp-card qp-card--blue\">\n  <span class=\"qp-num\">03<\/span>\n  <span class=\"qp-badge\">\ud83d\udcb0 Budget Pick<\/span>\n  <strong class=\"qp-name\">Lexar Professional 1066x 256GB<\/strong>\n  <div class=\"qp-rating\">\u2605\u2605\u2605\u2605\u2606 <span class=\"qp-score\">4.5 \/ 5.0<\/span> <span class=\"qp-reviews\">\u00b7 2026 pick<\/span><\/div>\n  <p class=\"qp-why\">LMS1066256G. SILVER 1066x, UHS-I V30, printed next to SanDisk on the X4 list.<\/p>\n  <a href=\"https:\/\/www.amazon.com\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"qp-btn\" rel=\"nofollow noopener\">Check Price at Amazon<\/a>\n  <a href=\"#budget-pick\" class=\"qp-jump\">Read full review \u2193<\/a>\n  <\/div>\n  <\/div>\n<\/div>\n\n<div class=\"affiliate-disclosure\"><p><em>Disclosure: This page contains affiliate links. As an Amazon Associate affiliate, we earn a small commission from qualifying purchases at no extra cost to you.<\/em><\/p><\/div>\n\n<div class=\"info-module buying-guide\" id=\"who-should-buy\">\n  <h3>Who should buy what<\/h3>\n  <ul>\n  <li><strong>Default X4 (8K30 or 5.7K60, dump at the laptop):<\/strong> <a href=\"#best-overall\">SanDisk Extreme PRO 256GB UHS-I<\/a> \u2014 format in the camera to exFAT. One row of pins. Not UHS-II.<\/li>\n  <li><strong>Same 256 GB, same tested family, less PRO tax:<\/strong> <a href=\"#best-value\">SanDisk Extreme 256GB<\/a> \u2014 SDSQXAV. Skip Nintendo SDSQXAO packs.<\/li>\n  <li><strong>256 GB without SanDisk money:<\/strong> <a href=\"#budget-pick\">Lexar 1066x 256GB<\/a> \u2014 LMS1066256G is on the X4 table. Not a 64 GB.<\/li>\n  <li><strong>A weekend of 8K without swapping:<\/strong> <a href=\"#1tb\">Extreme PRO 1TB<\/a> \u2014 SDSQXCD-1T00 is the 1 TB SKU Insta360 printed for X4.<\/li>\n  <li><strong>Skip:<\/strong> Samsung EVO Select as the default (the old page). UHS-II \/ UHS-III \u2014 Insta360: not compatible. Cards over 1 TB. 32 GB \/ 64 GB V30 (Insta360: more \u201cinsufficient card speed\u201d warnings). Class 10 with no V30. A full-size SD in an adapter as the only stick. This URL is the X4, not X5 \/ X6.<\/li>\n  <\/ul>\n<\/div>\n\n<h2>Comparison Table<\/h2>\n<div class=\"comparison-module\">\n  <table class=\"comparison-table\">\n  <thead><tr><th>Product<\/th><th>Bus \/ class<\/th><th>On an X4<\/th><th>Capacity<\/th><th>Price<\/th><th>Buy<\/th><\/tr><\/thead>\n  <tbody>\n  <tr class=\"highlight-row\"><td><strong>Extreme PRO 256GB UHS-I<\/strong><\/td><td>U3 \/ V30 \/ A2 \u00b7 200\/140<\/td><td>On X4 tested list \u2014 default<\/td><td>256 GB<\/td><td>~$25\u2013$40<\/td><td><a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"table-price-btn\" rel=\"nofollow noopener\">Check<\/a><\/td><\/tr>\n  <tr><td><strong>Extreme 256GB UHS-I<\/strong><\/td><td>U3 \/ V30 \/ A2 \u00b7 190\/130<\/td><td>On X4 tested list \u2014 Value<\/td><td>256 GB<\/td><td>~$18\u2013$32<\/td><td><a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"table-price-btn\" rel=\"nofollow noopener\">Check<\/a><\/td><\/tr>\n  <tr><td><strong>Lexar 1066x 256GB<\/strong><\/td><td>UHS-I V30 \u00b7 ~160\/120<\/td><td>On X4 tested list \u2014 Budget<\/td><td>256 GB<\/td><td>~$16\u2013$28<\/td><td><a href=\"https:\/\/www.amazon.com\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"table-price-btn\" rel=\"nofollow noopener\">Check<\/a><\/td><\/tr>\n  <tr><td><strong>Extreme PRO 1TB UHS-I<\/strong><\/td><td>U3 \/ V30 \/ A2<\/td><td>X4 ceiling \u2014 Layer 2<\/td><td>1 TB<\/td><td>~$80\u2013$130<\/td><td><a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"table-price-btn\" rel=\"nofollow noopener\">Check<\/a><\/td><\/tr>\n  <tr><td><strong>Samsung EVO Select 256GB<\/strong><\/td><td>UHS-I V30 (typical)<\/td><td>Skip as a default<\/td><td>256 GB<\/td><td>~$15\u2013$25<\/td><td><a href=\"https:\/\/www.amazon.com\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"table-price-btn\" rel=\"nofollow noopener\">Check<\/a><\/td><\/tr>\n  <\/tbody>\n  <\/table>\n<\/div>\n<p>Street prices move. V30 is 30 MB\/s (240 Mbps). X4\u2019s ceiling is 200 Mbps; official 8K30 High Bitrate is 1.5 GB\/min. A 256 GB card is ~170 minutes of that mode before the 1\u20132 GB cache Insta360 tells you to leave free \u2014 longer than the 75-minute 8K30 battery. Format in the camera. There is no internal spare tire.<\/p>\n\n<h2>How We Picked These Cards<\/h2>\n<ul>\n  <li><strong>What Insta360 published:<\/strong> X4: dual 1\/2-inch sensors, 8K 7680\u00d73840 at 30\/25\/24 fps, 5.7K at up to 60 fps, 4K 360 at up to 100 fps, ~72 MP 360 stills (11904\u00d75952). 360 files are INSV; single-lens is MP4. Max video bitrate 200 Mbps. Weight 203 g. USB Type-C 3.0. 10 m waterproof. 2290 mAh; 135 min at 5.7K30, 75 min at 8K30 (lab). No built-in user storage. Manual + storage FAQ: exFAT microSD, UHS-I, V30 or above, 1 TB maximum. \u201cDo not use UHS-II\/UHS-III \u2026 or memory cards larger than 1TB.\u201d File-size table: 8K30 High 1.5 GB\/min, 8K30 Standard 1 GB\/min, 5.7K30 High 700 MB\/min, 5.7K30 Standard 500 MB\/min, plus 1\u20132 GB cache. Troubleshooting: prefer 128 GB or larger; 32\/64 GB are more likely to throw insufficient-speed warnings. Format in the camera or the Insta360 app. No card in the bundle.<\/li>\n  <li><strong>What the slot has to swallow:<\/strong> 200 Mbps is 25 MB\/s. V30\u2019s 30 MB\/s floor covers it. 8K30 High at 1.5 GB\/min fills 256 GB in about 2.8 hours of rolling, but the battery dies at ~75 minutes \u2014 so 256 GB is one 8K outing with dump room, not a \u201cneeds 1 TB\u201d argument. 5.7K60 is the smoother mode; it is not a faster bus. USB 3.0 can dump; a UHS-I reader still wins on a full card of INSV. Wi-Fi is not a 256 GB path.<\/li>\n  <li><strong>The box you actually buy:<\/strong> X4 user-manual tested table (third-party): SanDisk Extreme V30 A2 SDSQXAV-256G, SDSQXA1-512G, SDSQXA1-1T00; Extreme PRO V30 A2 SDSQXCD-256G, SDSQXCZ-512G, SDSQXCD-1T00; Lexar 1066x SILVER LMS1066256G \/ LMS1066512G. Current Extreme PRO 256 is still SDSQXCD-256G-GN6MA (200\/140). Current Extreme 256 is SDSQXAV-256G-GN6MA (190\/130). Lexar 1066x 256 remains LMS1066256G-BN. Skip SDSQXAO Nintendo Extreme. Skip EVO Select as the default \u2014 it is not on that X4 table. Skip two-row UHS-II.<\/li>\n<\/ul>\n\n<h2>Best Memory Cards for Insta360 X4: Detailed Reviews<\/h2>\n\n<div class=\"top-recommendation\" id=\"best-overall\" data-badge=\"best-overall\">\n  <div class=\"top-badge badge-best-overall\">\ud83c\udfc6 Best Overall<\/div>\n  <h3>SanDisk Extreme PRO 256GB UHS-I microSDXC <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"title-amazon-btn\" rel=\"nofollow noopener\">View on Amazon<\/a> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+PRO+256GB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"title-bh-btn\" rel=\"nofollow noopener\">View on B&#038;H<\/a><\/h3>\n  <div class=\"product-highlights\">\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Best For:<\/span> 8K30 High Bitrate on a camera with no internal storage<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Key Feature:<\/span> SDSQXCD-256G \u00b7 on the X4 tested list \u00b7 UHS-I V30<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Rating:<\/span> <span class=\"star-rating\">4.7 \/ 5.0 \u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n  <\/div>\n  <table class=\"spec-table\">\n  <tr><th>SKU<\/th><td>SDSQXCD-256G-GN6MA (X4 manual lists this 256 GB Extreme PRO). One row of pins.<\/td><\/tr>\n  <tr><th>Class<\/th><td>UHS-I \u00b7 U3 \u00b7 V30 (30 MB\/s floor) \u00b7 A2 \u00b7 Class 10<\/td><\/tr>\n  <tr><th>SanDisk sheet<\/th><td>Up to 200 MB\/s read \u00b7 140 MB\/s write on 256 GB\u20132 TB Extreme PRO microSD<\/td><\/tr>\n  <tr><th>On X4<\/th><td>200 Mbps ceiling is 25 MB\/s. V30 is the class. 256 GB \u2248 170 min of official 8K30 High before cache \u2014 past the 75 min battery.<\/td><\/tr>\n  <tr><th>Buy this listing<\/th><td>Extreme PRO <em>microSD<\/em> UHS-I. Not Extreme PRO UHS-II SD. Not 1 TB unless you want Layer 2.<\/td><\/tr>\n  <\/table>\n  <p><strong>Why it fits the X4.<\/strong> This body will not record without a card. Insta360 already printed SDSQXCD-256G on the X4 compatibility table. 8K30 High at 1.5 GB\/min plus 1\u20132 GB of cache is why 64 GB is a trap and 256 GB is the default. Format to exFAT in the camera. Pull the card or use USB 3.0 \/ Quick Reader. The 200 MB\/s read is a reader spec; the camera writes to the V30 floor. Thermo Grip Cover is for 8K heat, not for a faster card.<\/p>\n  <p><strong>Skip this if<\/strong> Extreme 256GB is a few dollars cheaper this week \u2014 same list, same 256 GB. Skip it if you will not dump for days \u2014 1 TB. Skip two-row UHS-II listings that reuse the Extreme PRO name.<\/p>\n  <div class=\"pros-cons\">\n  <ul class=\"pros\">\n  <li>Printed on the X4 tested table<\/li>\n  <li>256 GB outlasts one 8K30 battery at 1.5 GB\/min<\/li>\n  <li>1 TB sibling (SDSQXCD-1T00) is also on that table<\/li>\n  <\/ul>\n  <ul class=\"cons\">\n  <li>Costs more than Extreme at the same capacity<\/li>\n  <li>Peak 140 MB\/s is not a UHS-II bus the X4 has<\/li>\n  <\/ul>\n  <\/div>\n  <p class=\"purchase-link\"><span class=\"amazon-region-btn\">Check Price on <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">Amazon US<\/a>, <a href=\"https:\/\/www.amazon.co.uk\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=pctest07-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">UK<\/a>, <a href=\"https:\/\/www.amazon.ca\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=pctestt-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">CA<\/a>, <a href=\"https:\/\/www.amazon.de\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=67990-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">DE<\/a> \u2192<\/span> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+PRO+256GB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"purchase-link-bh\" rel=\"nofollow noopener\">Check Price on B&#038;H<\/a><\/p>\n<\/div>\n\n<div class=\"top-recommendation\" id=\"best-value\" data-badge=\"best-value\">\n  <div class=\"top-badge badge-best-value\">\ud83d\udc8e Best Value<\/div>\n  <h3>SanDisk Extreme 256GB UHS-I microSDXC <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"title-amazon-btn\" rel=\"nofollow noopener\">View on Amazon<\/a> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+256GB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"title-bh-btn\" rel=\"nofollow noopener\">View on B&#038;H<\/a><\/h3>\n  <div class=\"product-highlights\">\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Best For:<\/span> The Extreme SKU Insta360 already tested for X4<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Key Feature:<\/span> SDSQXAV-256G \u00b7 190\/130 \u00b7 U3 \/ V30 \/ A2<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Rating:<\/span> <span class=\"star-rating\">4.6 \/ 5.0 \u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n  <\/div>\n  <table class=\"spec-table\">\n  <tr><th>SKU<\/th><td>SDSQXAV-256G-GN6MA. X4 manual: SDSQXAV-256G-GN6GN class Extreme 256 V30 A2. Same family, one row of pins.<\/td><\/tr>\n  <tr><th>Class<\/th><td>UHS-I \u00b7 U3 \u00b7 V30 \u00b7 A2 \u00b7 Class 10<\/td><\/tr>\n  <tr><th>SanDisk sheet<\/th><td>256 GB\u20131 TB Extreme: up to 190 MB\/s read \u00b7 130 MB\/s write. V30 min 30 MB\/s.<\/td><\/tr>\n  <tr><th>SKU trap<\/th><td>SDSQXAO Nintendo Switch Extreme. Extreme <em>PRO<\/em>. Full-size Extreme SD. EVO Select sold as \u201cthe same thing.\u201d<\/td><\/tr>\n  <\/table>\n  <p><strong>Why it is Value, not Overall.<\/strong> Insta360 listed Extreme 256 on the X4 table. The slot does not get faster because the box says PRO. You keep V30 on UHS-I and 256 GB. You give up 10 MB\/s of SanDisk\u2019s peak-write sticker. That is a reader argument, not an 8K30 argument. Format in the camera. Do not buy the Switch-licensed Extreme if the photo is a Nintendo card.<\/p>\n  <p><strong>Skip this if<\/strong> Extreme PRO 256 is within a few dollars \u2014 Overall. Skip 128 GB Extreme as the only card if 8K30 High is the mode you paid for (\u224885 minutes at 1.5 GB\/min, then you are in the cache warning).<\/p>\n  <div class=\"pros-cons\">\n  <ul class=\"pros\">\n  <li>On the X4 tested list (SDSQXAV)<\/li>\n  <li>Same 256 GB \/ V30 story as Overall<\/li>\n  <\/ul>\n  <ul class=\"cons\">\n  <li>Slightly slower SanDisk peak write than PRO<\/li>\n  <li>Easy to grab a Switch Extreme by mistake<\/li>\n  <\/ul>\n  <\/div>\n  <p class=\"purchase-link\"><span class=\"amazon-region-btn\">Check Price on <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">Amazon US<\/a>, <a href=\"https:\/\/www.amazon.co.uk\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=pctest07-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">UK<\/a>, <a href=\"https:\/\/www.amazon.ca\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=pctestt-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">CA<\/a>, <a href=\"https:\/\/www.amazon.de\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=67990-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">DE<\/a> \u2192<\/span> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+256GB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"purchase-link-bh\" rel=\"nofollow noopener\">Check Price on B&#038;H<\/a><\/p>\n<\/div>\n\n<div class=\"top-recommendation\" id=\"budget-pick\" data-badge=\"budget-pick\">\n  <div class=\"top-badge badge-budget\">\ud83d\udcb0 Budget Pick<\/div>\n  <h3>Lexar Professional 1066x 256GB microSDXC <a href=\"https:\/\/www.amazon.com\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"title-amazon-btn\" rel=\"nofollow noopener\">View on Amazon<\/a> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=Lexar+Professional+1066x+256GB+microSD&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"title-bh-btn\" rel=\"nofollow noopener\">View on B&#038;H<\/a><\/h3>\n  <div class=\"product-highlights\">\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Best For:<\/span> 256 GB UHS-I V30 when SanDisk is the expensive row<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Key Feature:<\/span> LMS1066256G \u00b7 SILVER 1066x \u00b7 on the X4 table<\/div>\n  <div class=\"highlight-item\"><span class=\"highlight-label\">Rating:<\/span> <span class=\"star-rating\">4.5 \/ 5.0 \u2605\u2605\u2605\u2605\u2606<\/span><\/div>\n  <\/div>\n  <table class=\"spec-table\">\n  <tr><th>SKU<\/th><td>Lexar Professional 1066x SILVER UHS-I \u00b7 LMS1066256G-BN (256 GB). 512 GB LMS1066512G is also on the X4 list.<\/td><\/tr>\n  <tr><th>Class<\/th><td>UHS-I V30. Typical pack: ~160 MB\/s read \/ ~120 MB\/s write.<\/td><\/tr>\n  <tr><th>On X4<\/th><td>Same UHS-I V30 request as SanDisk. Format in the camera. Not a UHS-II card.<\/td><\/tr>\n  <tr><th>SKU trap<\/th><td>64 GB 1066x (on the table, but Insta360 also says 32\/64 trigger speed warnings). Lexar PLAY. Gold UHS-II.<\/td><\/tr>\n  <\/table>\n  <p><strong>Why it fits the X4.<\/strong> Insta360 already tested this 256 GB SKU on this body. You are not gambling on EVO Select. 256 GB is the size that matches 1.5 GB\/min plus a 75-minute 8K battery. Confirm SILVER \/ 1066x \/ V30 on the face. ONE X2 had a Lexar warning; the X4 printed table is why this row exists.<\/p>\n  <p><strong>Skip this if<\/strong> Extreme 256GB is the same price \u2014 Value. Skip 64 GB 1066x as the only card.<\/p>\n  <div class=\"pros-cons\">\n  <ul class=\"pros\">\n  <li>On Insta360\u2019s X4 tested 256 GB list<\/li>\n  <li>UHS-I V30 without SanDisk branding<\/li>\n  <\/ul>\n  <ul class=\"cons\">\n  <li>Slower peak read than Extreme PRO for laptop dump<\/li>\n  <li>Easy to buy the 64 GB listing<\/li>\n  <\/ul>\n  <\/div>\n  <p class=\"purchase-link\"><span class=\"amazon-region-btn\">Check Price on <a href=\"https:\/\/www.amazon.com\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">Amazon US<\/a>, <a href=\"https:\/\/www.amazon.co.uk\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=pctest07-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">UK<\/a>, <a href=\"https:\/\/www.amazon.ca\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=pctestt-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">CA<\/a>, <a href=\"https:\/\/www.amazon.de\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=67990-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">DE<\/a> \u2192<\/span> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=Lexar+Professional+1066x+256GB+microSD&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"purchase-link-bh\" rel=\"nofollow noopener\">Check Price on B&#038;H<\/a><\/p>\n<\/div>\n\n<h2>If You Need Something Else<\/h2>\n<p>These two are not cheaper versions of the Top 3. One is the 1 TB ceiling Insta360 printed for X4. One is the EVO Select the old page sold as a hero.<\/p>\n\n<div class=\"top-recommendation\" id=\"1tb\" data-badge=\"also-great\">\n  <div class=\"top-badge badge-also-great\">\ud83e\uddf3 1 TB ceiling<\/div>\n  <h3>SanDisk Extreme PRO 1TB UHS-I microSDXC <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"title-amazon-btn\" rel=\"nofollow noopener\">View on Amazon<\/a> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+PRO+1TB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"title-bh-btn\" rel=\"nofollow noopener\">View on B&#038;H<\/a><\/h3>\n  <table class=\"spec-table\">\n  <tr><th>SKU<\/th><td>SDSQXCD-1T00-GN6MA on the X4 tested table. Still UHS-I V30 \/ A2, one row of pins. Extreme 1TB SDSQXA1-1T00 is the non-PRO sibling on the same table.<\/td><\/tr>\n  <tr><th>On X4<\/th><td>Family max. Same V30 as 256 GB. About 11 hours of official 8K30 High (1.5 GB\/min) before cache \u2014 many 75-minute batteries, not a faster slot.<\/td><\/tr>\n  <tr><th>When it wins<\/th><td>Multi-day 8K, no laptop, or you refuse to dump until the Thermo Grip is in the bag<\/td><\/tr>\n  <\/table>\n  <p>Insta360\u2019s rule is 1 TB, not 2 TB. Extreme PRO microSD now exists at 2 TB on SanDisk\u2019s sheet; that is the skip. Format in the camera. A full terabyte of INSV is a reader job.<\/p>\n  <p><strong>Skip this if<\/strong> you dump every evening \u2014 256 GB Extreme PRO or Extreme.<\/p>\n  <p class=\"purchase-link\"><span class=\"amazon-region-btn\">Check Price on <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">Amazon US<\/a>, <a href=\"https:\/\/www.amazon.co.uk\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=pctest07-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">UK<\/a>, <a href=\"https:\/\/www.amazon.ca\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=pctestt-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">CA<\/a>, <a href=\"https:\/\/www.amazon.de\/s?k=SanDisk+Extreme+PRO+1TB+microSDXC&#038;tag=67990-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">DE<\/a> \u2192<\/span> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=SanDisk+Extreme+PRO+1TB+microSDXC&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"purchase-link-bh\" rel=\"nofollow noopener\">Check Price on B&#038;H<\/a><\/p>\n<\/div>\n\n<div class=\"top-recommendation\" id=\"skip-evo\" data-badge=\"premium\">\n  <div class=\"top-badge badge-premium\">\ud83d\udeab Skip as default<\/div>\n  <h3>Samsung EVO Select 256GB microSD <a href=\"https:\/\/www.amazon.com\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"title-amazon-btn\" rel=\"nofollow noopener\">View on Amazon<\/a> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=Samsung+EVO+Select+256GB+microSD&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"title-bh-btn\" rel=\"nofollow noopener\">View on B&#038;H<\/a><\/h3>\n  <table class=\"spec-table\">\n  <tr><th>Why it shows up<\/th><td>The 2025 page called EVO Select Top Choice. The April 2026 singular-slug page used it as Value. Typical packs are UHS-I V30.<\/td><\/tr>\n  <tr><th>On X4<\/th><td>Not on Insta360\u2019s printed X4 tested table. V30 may record. This page defaults to SKUs Insta360 already listed: Extreme, Extreme PRO, Lexar 1066x.<\/td><\/tr>\n  <tr><th>Same skip<\/th><td>UHS-II V60 \u201cpremium,\u201d 2 TB microSD, Kingston Canvas Go as the only card, 32\/64 GB V30 as the 8K stick.<\/td><\/tr>\n  <\/table>\n  <p>If an EVO Select already lives in the camera and 8K30 High is finishing clips, keep using it until you replace it. Do not <em>buy<\/em> it as the X4 card when Extreme 256 and Lexar 256 are on the official list at the same street prices.<\/p>\n  <p><strong>Skip this if<\/strong> the camera is an X4 and you are buying one card. Buy Extreme PRO 256GB, Extreme 256GB, or Lexar 1066x 256GB.<\/p>\n  <p class=\"purchase-link\"><span class=\"amazon-region-btn\">Check Price on <a href=\"https:\/\/www.amazon.com\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">Amazon US<\/a>, <a href=\"https:\/\/www.amazon.co.uk\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=pctest07-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">UK<\/a>, <a href=\"https:\/\/www.amazon.ca\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=pctestt-20&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">CA<\/a>, <a href=\"https:\/\/www.amazon.de\/s?k=Samsung+EVO+Select+256GB+microSD&#038;tag=67990-21&#038;linkCode=osi\" target=\"_blank\" rel=\"nofollow noopener\">DE<\/a> \u2192<\/span> <a href=\"https:\/\/www.bhphotovideo.com\/c\/search?Ntt=Samsung+EVO+Select+256GB+microSD&#038;BI=8941&#038;KBID=10361&#038;SID=12345&#038;DFF=d50\" target=\"_blank\" class=\"purchase-link-bh\" rel=\"nofollow noopener\">Check Price on B&#038;H<\/a><\/p>\n<\/div>\n\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-module\">\n  <div class=\"faq-item\"><h3>What speed class the X4 needs<\/h3><p>Insta360: UHS-I microSD, V30 or above, exFAT, 1 TB max. V30 is 30 MB\/s (240 Mbps). The camera\u2019s maximum bitrate is 200 Mbps (25 MB\/s). Official 8K30 High Bitrate is 1.5 GB\/min. Class 10 with no V30 is the skip. A2 is a phone-app rating, not the X4 requirement.<\/p><\/div>\n  <div class=\"faq-item\"><h3>Why not a UHS-II V60 card<\/h3><p>X4 storage FAQ: do not use UHS-II or UHS-III. Those cards are not compatible and may cause recording issues. The extra row of pins is for a UHS-II reader, not this slot. 200 Mbps does not unlock a second bus.<\/p><\/div>\n  <div class=\"faq-item\"><h3>The X4 has no internal storage<\/h3><p>Correct. Unlike X6 (64 GB flash \/ 47 GB usable), the X4 will not start an 8K clip without a card. Put a formatted V30 in before the first outing. Insta360 also wants 1\u20132 GB free for recording cache \u2014 a \u201cfull\u201d 64 GB card is why recordings die early.<\/p><\/div>\n  <div class=\"faq-item\"><h3>256 GB, 512 GB, or 1 TB<\/h3><p>256 GB is the default: one 75-minute 8K30 battery at 1.5 GB\/min still leaves dump room. 512 GB (Extreme SDSQXA1-512G \/ Lexar LMS1066512G \/ Extreme PRO SDSQXCZ-512G) is extra days, same V30. 1 TB is the printed maximum (Extreme PRO SDSQXCD-1T00). Over 1 TB is the skip. A bigger card does not raise UHS-I V30. Format in the X4. Insta360: 32\/64 GB cards are more likely to show insufficient speed \u2014 do not buy those as the 8K card even if they are V30.<\/p><\/div>\n<\/div>\n\n<h2>Final Verdict<\/h2>\n<div class=\"conclusion-module verdict-box\">\n  <div class=\"verdict-picks\">\n  <div class=\"verdict-item\">\n  <span class=\"verdict-label\">\ud83c\udfc6 Best Overall:<\/span>\n  <div class=\"verdict-product\"><strong>SanDisk Extreme PRO 256GB UHS-I<\/strong> <span class=\"verdict-reason\">\u2013 SDSQXCD-256G, V30, on the X4 list. The card this body needs.<\/span><\/div>\n  <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+PRO+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"verdict-btn\" rel=\"nofollow noopener\">Buy Now<\/a>\n  <\/div>\n  <div class=\"verdict-item\">\n  <span class=\"verdict-label\">\ud83d\udc8e Best Value:<\/span>\n  <div class=\"verdict-product\"><strong>SanDisk Extreme 256GB UHS-I<\/strong> <span class=\"verdict-reason\">\u2013 SDSQXAV, same V30 \/ 256 GB, also on the table.<\/span><\/div>\n  <a href=\"https:\/\/www.amazon.com\/s?k=SanDisk+Extreme+256GB+microSDXC&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"verdict-btn\" rel=\"nofollow noopener\">Buy Now<\/a>\n  <\/div>\n  <div class=\"verdict-item\">\n  <span class=\"verdict-label\">\ud83d\udcb0 Budget Pick:<\/span>\n  <div class=\"verdict-product\"><strong>Lexar Professional 1066x 256GB<\/strong> <span class=\"verdict-reason\">\u2013 LMS1066256G. Tested 256 GB V30, not EVO Select.<\/span><\/div>\n  <a href=\"https:\/\/www.amazon.com\/s?k=Lexar+Professional+1066x+256GB+microSD&#038;tag=e6890-20&#038;linkCode=osi\" target=\"_blank\" class=\"verdict-btn\" rel=\"nofollow noopener\">Buy Now<\/a>\n  <\/div>\n  <\/div>\n  <p class=\"verdict-summary\">For most Insta360 X4 kits, buy a SanDisk Extreme PRO 256GB UHS-I, format it in the camera, and stay on UHS-I V30. There is no internal storage. 8K30 High is 1.5 GB\/min and 200 Mbps \u2014 not a UHS-II problem. Same 256 GB for less? Extreme 256GB. Same list, other brand? Lexar 1066x 256GB. A week without dumping? Extreme PRO 1TB. Skip EVO Select as the default, skip 32\/64 GB, skip 2 TB, skip X5\/X6 shopping lists on this URL. The camera never shipped a card. V30 UHS-I is the slot.<\/p>\n<\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Insta360 X4 is an 8K30 360 camera with dual 1\/2-inch sensors, a 200 Mbps bitrate ceiling, and no built-in storage. Insta360\u2019s manual is clear on the slot: exFAT microSD, UHS-I, V30 or above, 1 TB max. The same page says do not use UHS-II, UHS-III, or cards larger than 1 TB \u2014 those fail&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[153,25],"tags":[424,141,975,1224,569,992,1040],"class_list":["post-3083","post","type-post","status-publish","format-standard","hentry","category-insta360","category-memory-card","tag-insta360","tag-insta360-x4","tag-lexar-professional","tag-microsd","tag-sandisk","tag-sandisk-extreme","tag-sandisk-extreme-pro"],"_links":{"self":[{"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/posts\/3083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/comments?post=3083"}],"version-history":[{"count":3,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/posts\/3083\/revisions"}],"predecessor-version":[{"id":9899,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/posts\/3083\/revisions\/9899"}],"wp:attachment":[{"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/media?parent=3083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/categories?post=3083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cameraegg.org\/camerareview\/wp-json\/wp\/v2\/tags?post=3083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}