Corsair CMH64GX5M2B6400C32
The 64GB (2x32GB) DDR5 kit runs at 6400 MT/s with CL32 timings, delivering high-frequency performance for demanding workloads. Its ten-zone RGB lighting and onboard voltage regulation via iCUE allow precise overclocking and customization. Best for gamers and workstation users who need large capacity and fine-tuned performance on Intel platforms.
Snapshot
The 30-Second Version
Fast, gorgeous, and capacious, but the compatibility lottery and iCUE bloat make this a kit for tinkerers, not plug-and-play builders. Buy it if your board is on the QVL and you can snag the low-end price.
Pros & Cons
Pros
- Top 5% speed in our database 95th
- 64GB capacity is future-proof for gaming and workstations 93rd
- Gorgeous ten-zone RGB with panoramic light bar 90th
- Solid overclocking headroom on compatible boards 88th
Cons
- User sentiment is shockingly low for a Corsair kit
- iCUE software is bloated and confusing
- Hynix Die-M vs Die-A compatibility lottery
- Four-stick setups are a known headache
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
6400 MT/s at CL32 is genuinely quick, and our database puts this kit in the top 5% for speed. The 32-40-40-84 timings are tight enough to matter in games and memory-sensitive workloads. What surprised us is how well it overclocks on the right setup. One owner pushed it to 6800 MT/s at CL32 stable, and even tried 7200 before their 13700K tapped out. That's real headroom. But the onboard voltage regulation and XMP 3.0 profiles are only as good as your motherboard's QVL list. If your board isn't on it, you might be manually tuning timings instead of gaming.
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | UDIMM |
| Total Capacity | 65536 |
| Modules | 2 |
| Per Module | 32768 |
| Pins | 288 |
Performance
| Speed | 6400 |
| CAS Latency | 32 |
| Timings | 32-40-40-84 |
| Voltage | 1.4 |
Class
| ECC | No |
| Registered | No |
| OC Profile | Intel XMP 3.0 |
Features
| RGB | Yes |
| Heat Spreader | Yes |
vs Competition
The Kingston FURY Beast KF564C32BWEAK2-64 is the most direct competitor, offering similar 6400 MT/s speeds at CL32 but with a cleaner software story. The G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG runs at 6000 MT/s but has better compatibility across AMD and Intel boards, which matters if you're not on a QVL-listed motherboard. The Crucial Pro Overclocking CP2K16G64C32U5B is the budget pick, but it's a 32GB kit, so you're giving up capacity. If you want the RGB show and have a compatible board, Corsair wins. If you want zero drama, Kingston or G.Skill are safer bets.
| Spec | Corsair CMH64GX5M2B6400C32 | Kingston FURY Beast KF564C32BWEAK2-64 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Crucial Pro Overclocking CP2K16G64C32U5B | KLEVV CRAS V RGB KD5BGUA80-60A300J | Patriot Viper Xtreme 5 S9145489 |
|---|---|---|---|---|---|---|
| Capacity | 64GB | 64GB | 64GB | 32GB | 64GB | 32GB |
| Kit | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB | 2 x 16GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 6400 | 6400 | 6000 | 6400 | 6000 | 8200 |
| Cas Latency | CL32 | CL32 | CL26 | CL32 | CL30 | CL38 |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | false | false | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| Corsair CMH64GX5M2B6400C32 | 94.7 | 87 | 87.5 | 89.9 | 93.4 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.7 | 87 | 87.5 | 89.9 | 93.4 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87 | 99.1 | 89.9 | 78.1 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.7 | 72.9 | 87.5 | 70.9 | 87.7 |
| KLEVV CRAS V RGB KD5BGUA80-60A300J Compare | 87.4 | 87 | 87.5 | 89.9 | 87.7 |
| Patriot Viper Xtreme 5 S9145489 Compare | 99.6 | 98.6 | 97.7 | 70.9 | 78 |
Price
Value & Pricing
Pricing is all over the map. In CAD, you'll see anywhere from CAD 1,535 to CAD 2,479 across seven listings, and EUR prices swing from EUR 1,023 to EUR 1,495. That's a massive spread for the same kit. If you're in Canada, the CAD 1,535 listing is the obvious pick. In Europe, the EUR 1,023 option is the one to grab. At the low end, this is a fair deal for 64GB of fast DDR5. At the high end, you're paying a Corsair tax for RGB and brand recognition, and that's harder to justify.
Amazon 1 offer From €1,023
We started tracking prices for this product on Jun 9, 2026. The chart appears once we have more data.
Read more
Overview
Corsair's VENGEANCE RGB CMH64GX5M2B6400C32 is a 64GB DDR5 kit that looks fantastic and runs fast, but the user sentiment score tells a different story than the spec sheet. On paper, this is a 95th percentile speed kit with a 90th percentile capacity. In practice, owners are mostly happy, but a 21st percentile sentiment score means there are enough compatibility headaches and iCUE frustrations to make you pause. The one thing to know: this is a great kit if your board and CPU play nice, but it's not the plug-and-play slam dunk the specs suggest.
Common Questions
Q: Will this kit run at 6400 MT/s on my AMD motherboard?
Probably, but check your board's QVL list first. Owners report good results on AMD systems with EXPO profiles, but some boards with Hynix Die-M compatibility issues won't hit rated speeds without manual tuning.
Q: Can I run four sticks of this RAM?
You can try, but don't expect 6400 MT/s. Four-stick DDR5 setups are notoriously finicky, and multiple owners report stability issues. If you need 128GB, be prepared to drop speeds or manually tune timings.
Q: Is the RGB worth the Corsair tax?
If you care about aesthetics, yes. The ten-zone panoramic light bar is genuinely stunning and iCUE offers deep customization. But if you just want fast RAM and don't care about lights, save money with a non-RGB kit.
Who Should Skip This
If you're building a system where stability and simplicity matter more than RGB and overclocking headroom, this isn't your kit. The iCUE software alone will annoy you, and the compatibility lottery with Hynix Die-M vs Die-A is a real risk. Go grab the Kingston FURY Beast KF564C32BWEAK2-64 or the G.Skill Trident Z5 Royal instead. They'll give you similar performance without the software headaches.
Verdict
This is a fast, beautiful 64GB kit that will make your system look great and run well, assuming your motherboard is on the QVL and you're okay wrestling with iCUE. The performance is real, and the overclocking headroom is a nice bonus. But the compatibility lottery with Hynix Die-M vs Die-A and the software complexity are real friction points. If you're building a new Intel system and can verify QVL compatibility, buy it at the low end of the price range. If you're on AMD or want a set-it-and-forget-it experience, look at Kingston or G.Skill instead.