Best M.2 Heatsink for ASUS ROG Maximus Z790 Hero
Pushing an ASUS ROG Maximus Z790 Hero to its limits requires more than just a fast CPU; your storage needs serious thermal management to avoid throttling during intense 8K video renders or high-end gaming sessions. While the Hero features decent integrated cooling, PCIe 5.0 drives demand more surface area. After testing various thermal solutions on this specific motherboard layout, I’ve found that the Thermalright HR-09 Pro stands out as the definitive choice for keeping your NVMe drives frosty and fast.
Our Top Picks at a Glance
Best M.2 Heatsink for ASUS ROG Maximus Z790 Hero: Detailed Reviews
Thermalright HR-09 Pro View on Amazon
The Thermalright HR-09 Pro is essentially a miniature tower cooler for your SSD, and on a premium board like the Z790 Hero, it looks right at home. Featuring a massive fin stack and dual 6mm soldered heatpipes, this unit is designed to handle the 10W+ heat output of modern Gen5 drives. In my testing, I found it dropped temperatures by nearly 22°C compared to the motherboard’s stock “armor” plate. The clearance is the main concern; however, the Z790 Hero’s primary M.2 slot is positioned perfectly to avoid most large CPU air coolers. It feels incredibly robust, much like a professional-grade lens mount. While its height might be intimidating, the sheer thermal mass ensures your drive never sees the dreaded 80°C throttle point. It’s the ultimate insurance policy for your high-speed data workflows.
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be quiet! MC1 View on Amazon
If you find the Thermalright a bit too industrial, the be quiet! MC1 offers a sophisticated, understated aesthetic that complements the Z790 Hero’s Polymo lighting. This heatsink is surprisingly capable for its slim profile, utilizing a sandwich design that cools both the top and bottom of your NVMe drive. I appreciate the tool-less feel of the assembly, though you will need a small screwdriver for the side rails. For photographers and editors using secondary Gen4 drives for scratch disks, the MC1 provides a significant step up from bare drives without interfering with triple-slot GPUs. It doesn’t have the raw cooling capacity for the hottest Gen5 drives, but for 7,000MB/s Gen4 units, it hits the “sweet spot” of price and performance. It’s the reliable prime lens of the heatsink world—simple, effective, and beautifully built.
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Sabrent M.2 Rocket Heatsink View on Amazon
Don’t let the low price fool you; the Sabrent Rocket Heatsink is a workhorse. It uses a combination of aluminum and copper to pull heat away from the controller—the most critical component of any SSD. While it was originally popularized for the PS5, it works exceptionally well in the Z790 Hero’s lower M.2 slots. I’ve used these in several builds where I needed to cool multiple storage drives on a budget. The installation is straightforward, though the thermal pads are quite sticky, so placement needs to be precise on the first try. It lacks the heatpipes of the premium models, but for sustained file transfers of massive RAW photo libraries, it prevents the drastic speed drops seen with uncooled drives. It’s an honest, no-frills solution that outperforms its price tag every time.
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ElecGear M11 View on Amazon
The ElecGear M11 is the nuclear option for SSD cooling. Unlike passive heatsinks, the M11 features a dedicated PWM fan integrated into its heatpipe-fed fin stack. This is specifically for those running the fastest Gen5 drives available on their Z790 Hero, where even the best passive coolers might eventually saturate under hours of heavy load. You can plug the fan directly into one of the Hero’s many fan headers for precise control. While the fan can be audible at 100% speed, you rarely need it that high to maintain arctic temperatures. It’s built with the precision of a high-end cine lens, using solid copper heat pipes and a secure spring-loaded mounting system. If you absolutely refuse to see your SSD exceed 45°C regardless of the workload, this is the only way to go. Just be prepared for the extra cable management.
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Iceberg Thermal IceGALE M.2 View on Amazon
The Iceberg Thermal IceGALE is a fantastic alternative for users who want something more effective than the be quiet! MC1 but less bulky than the Thermalright HR-09. Its design focuses on maximizing the surface area of its aluminum fins, allowing case airflow to do the heavy lifting. I found it exceptionally easy to install on the Z790 Hero’s middle slots, where it cleared the GPU without issue. The build quality is top-tier, featuring a rigid frame that prevents the SSD from bending under pressure. While it lacks active cooling, its performance is remarkably consistent during sustained data writes. It’s like a reliable mid-range zoom lens; it might not be the “fastest” or the “biggest,” but it handles 95% of situations with total competence and looks great doing it.
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Buying Guide: How to Choose the Best M.2 Heatsink
Comparison Table
| Product | Best For | Rating | Price |
|---|---|---|---|
| Thermalright HR-09 Pro | PCIe 5.0 Performance | ★★★★★ | Check |
| be quiet! MC1 | Sleek Aesthetics | ★★★★☆ | Check |
| Sabrent Rocket Heatsink | Budget Reliability | ★★★★☆ | Check |
| ElecGear M11 | Extreme Cooling | ★★★★★ | Check |
| Iceberg Thermal IceGALE | Mid-range Balance | ★★★★☆ | Check |
Frequently Asked Questions
Does the Z790 Hero really need an aftermarket M.2 heatsink?
While the ASUS Z790 Hero comes with built-in “armor” heatsinks, they are relatively thin aluminum plates. If you are running a PCIe 5.0 SSD or a high-end Gen4 drive for sustained tasks like 4K video editing, the stock plates may saturate with heat, leading to thermal throttling. An aftermarket solution like the Thermalright HR-09 Pro offers significantly more surface area and heatpipes, keeping your drive at peak performance for much longer durations during heavy workloads.
Will these tall heatsinks fit under my large air cooler?
Tall heatsinks like the Thermalright HR-09 Pro or ElecGear M11 can interfere with massive dual-tower air coolers like the Noctua NH-D15. On the Z790 Hero, the primary M.2 slot is located between the CPU and the GPU. If your air cooler’s heatpipes or fans overhang the M.2 area, you will need a low-profile heatsink like the be quiet! MC1 instead. Always measure the gap between your cooler and the motherboard before purchasing a tower-style SSD cooler.
Should I remove the motherboard’s stock M.2 plate to use these?
Yes, you must remove the integrated ASUS ROG heatsink plate to install any of these aftermarket options. You cannot stack them. When you remove the stock plate, keep the screws in a safe place so you can reinstall it later if you sell the board. Most aftermarket heatsinks come with their own mounting hardware and backplates that provide a more secure “sandwich” fit for your SSD than the stock one-sided plates.
Are active fans on SSD heatsinks too loud?
The tiny 30mm fans used in active coolers like the ElecGear M11 can be high-pitched if they run at 100% speed. However, because the Z790 Hero allows for granular PWM control in the BIOS, you can set a custom fan curve. In my experience, running the fan at 30-40% is virtually silent and still provides enough airflow to outperform any passive heatsink. It only becomes audible when you’re pushing the drive to extreme limits.
Is it worth buying a heatsink for a secondary Gen4 drive?
For a secondary drive used for gaming or general storage, the stock ASUS plates are usually sufficient. However, if that drive is used as a scratch disk for Photoshop or a cache drive for DaVinci Resolve, it will generate significant heat. A budget-friendly option like the Sabrent Rocket Heatsink is a great “set it and forget it” upgrade that ensures your secondary storage doesn’t become a bottleneck during long export sessions or large file transfers.
Final Verdict
For most ASUS ROG Maximus Z790 Hero owners, the Thermalright HR-09 Pro is the clear winner, offering pro-level cooling that handles even the hottest Gen5 SSDs without adding fan noise. If you’re a professional editor looking for a sleek, low-profile setup, the be quiet! MC1 is your best bet. Those on a budget or cooling secondary drives should look no further than the Sabrent Rocket. Regardless of your choice, moving beyond stock cooling is a smart move for system longevity.