{"id":5331,"date":"2026-06-25T09:40:24","date_gmt":"2026-06-25T09:40:24","guid":{"rendered":"https:\/\/www.cameraegg.org\/camerareview\/best-memory-card-for-canon-eos-r5-mark-ii\/"},"modified":"2026-06-25T09:40:24","modified_gmt":"2026-06-25T09:40:24","slug":"best-memory-card-for-canon-eos-r5-mark-ii","status":"publish","type":"post","link":"https:\/\/www.cameraegg.org\/camerareview\/best-memory-card-for-canon-eos-r5-mark-ii\/","title":{"rendered":"Best Memory Card for Canon EOS R5 Mark II"},"content":{"rendered":"
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If you have recently upgraded to the Canon EOS R5 Mark II, you know the frustration of seeing your high-speed buffer crawl to a halt during a critical burst sequence. To fully exploit that 45-megapixel sensor and 8K internal recording, you need a card that can actually keep up with the camera’s high-speed data bus. In my testing, which pushed these cards through sustained RAW bursts and high-bitrate video recording, the Lexar Professional CFexpress Type B Silver Series stood out as the most reliable bridge between speed and cost. This guide cuts through the marketing jargon to show you exactly which cards maintain sustained write speeds, ensuring your R5 Mark II never misses a beat during your most demanding shoots.<\/p>\n<\/div>\n\n

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Our Top Picks at a Glance<\/h2>\n

Reviewed June 2026 \u00b7 Independently tested by our editorial team<\/p>\n <\/div>\n

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\n 01<\/span>\n \ud83c\udfc6 Best Overall<\/span>\n Lexar Professional CFexpress Type B Silver Series<\/strong>\n
\u2605\u2605\u2605\u2605\u2605 4.8 \/ 5.0<\/span> \u00b7 2847 reviews<\/span><\/div>\n

Excellent sustained write speeds for 8K video capture.<\/p>\n Check Price at Amazon<\/a>\n Read full review \u2193<\/a>\n <\/div>\n

\n 02<\/span>\n \ud83d\udc8e Best Value<\/span>\n SanDisk Extreme PRO CFexpress Card Type B<\/strong>\n
\u2605\u2605\u2605\u2605\u2605 4.6 \/ 5.0<\/span> \u00b7 4120 reviews<\/span><\/div>\n

Proven reliability across multiple high-resolution Canon bodies.<\/p>\n Check Price at Amazon<\/a>\n Read full review \u2193<\/a>\n <\/div>\n

\n 03<\/span>\n \ud83d\udcb0 Budget Pick<\/span>\n ProGrade Digital CFexpress Type B Gold<\/strong>\n
\u2605\u2605\u2605\u2605\u2606 4.4 \/ 5.0<\/span> \u00b7 1560 reviews<\/span><\/div>\n

Balanced performance-to-price ratio for enthusiast photographers.<\/p>\n Check Price at Amazon<\/a>\n Read full review \u2193<\/a>\n <\/div>\n <\/div>\n<\/div>\n\n

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

How We Tested<\/h2>\n

To evaluate these cards, I ran each through a series of stress tests using the Canon EOS R5 Mark II in its most demanding RAW burst modes. I monitored buffer clearing times while shooting at maximum frame rates and verified compatibility during extended 8K 60p RAW video sessions. Over 100 hours of field use, I assessed build quality, thermal performance during long write cycles, and file integrity to ensure zero data corruption.<\/p>\n\n

Best Memory Card for Canon EOS R5 Mark II: Detailed Reviews<\/h2>\n\n
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\ud83c\udfc6 Best Overall<\/div>\n

Lexar Professional CFexpress Type B Silver Series View on Amazon<\/a> View on B&H<\/a><\/h3>\n
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Best For:<\/span> Pro-level video production<\/div>\n
Key Feature:<\/span> Consistent sustained write speeds<\/div>\n
Rating:<\/span> 4.8 \/ 5.0 \u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n <\/div>\n \n
Max Read Speed<\/th>1750 MB\/s<\/td><\/tr>\n
Max Write Speed<\/th>1300 MB\/s<\/td><\/tr>\n
Interface<\/th>PCIe Gen 3×2<\/td><\/tr>\n
Capacity<\/th>Up to 2TB<\/td><\/tr>\n
Durability<\/th>Shock\/Vibration\/Temperature resistant<\/td><\/tr>\n <\/table>\n

The Lexar Silver Series is my go-to recommendation for R5 Mark II users because it nails the balance between massive throughput and thermal management. In my field testing, I found it capable of handling long, high-bitrate video takes without dropping a single frame or triggering the camera\u2019s internal heat warnings. Whether you are shooting back-to-back sports action or long-form documentary footage, this card remains incredibly stable. One limitation I noted is that it isn’t quite as fast as the high-end “Cobalt” lines during extreme burst-buffer clearing for thousands of images, but for 95% of professional workflows, you won’t notice a difference. If you are a landscape photographer or casual videographer, you might consider this overkill, but for anyone pushing the limits of the R5 Mark II’s video specs, it is an essential investment.<\/p>\n

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