Corsair CMT64GX5M2B6600C32
The 64GB DDR5 kit runs at 6600 MT/s with CL32 timings, and its onboard voltage regulation via iCUE makes overclocking more stable and finely tuned. The patented DHX cooling keeps both the ICs and PCB ground plane cool under heavy loads, while 12 CAPELLIX RGB LEDs add a polished look. This kit suits gamers and workstation users who need high-capacity, high-frequency memory for demanding tasks like rendering and multitasking.
No current retailer price
Snapshot
The 30-Second Version
The Corsair Dominator Platinum RGB is stupid fast, stupid pretty, and stupid expensive. If you've got the budget and the clearance, it's the RAM to beat.
Pros & Cons
Pros
- Blazing fast 6600 MT/s with tight CL32 timings 97th
- 64GB capacity handles gaming and heavy workstation loads 95th
- Onboard voltage regulation makes overclocking actually manageable 90th
- 12 CAPELLIX RGB LEDs look stunning in any build 87th
Cons
- 56mm height will fight your air cooler for space
- Price is brutal in every currency we track
- iCUE software can be finicky about recognizing the kit
- Server performance is a weak spot if you're building a homelab
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
The speed here is genuinely impressive. 6600 MT/s puts this kit in the 97th percentile for speed, and the CL32 latency lands in the 95th percentile. That's the kind of combo that makes a real difference in memory-sensitive workloads and high-refresh gaming. What surprised us is how well the onboard voltage regulation works with iCUE. You can actually fine-tune stability without diving into BIOS every five minutes, which is a bigger deal than it sounds.
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | UDIMM |
| Total Capacity | 65536 |
| Modules | 2 |
| Per Module | 32768 |
| Pins | 288 |
Performance
| Speed | 6600 |
| CAS Latency | 32 |
| Timings | 32-39-39-76 |
| Voltage | 1.4 |
Class
| ECC | No |
| Registered | No |
| OC Profile | Intel XMP 3.0 |
Features
| RGB | Yes |
| Heat Spreader | Yes |
vs Competition
The G.Skill Trident Z5 Royal is the closest rival in both performance and price, and it's a genuine toss-up between the two. The Kingston FURY Beast gives you similar capacity for less money but doesn't hit the same speed ceiling. And if you're not married to RGB, the Crucial Pro Overclocking kit is the sensible choice that still performs well. The Dominator Platinum wins on pure speed and that premium build quality, but you're paying for the privilege.
| Spec | Corsair CMT64GX5M2B6600C32 | 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 | 6600 | 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 CMT64GX5M2B6600C32 | 97 | 87.1 | 94.5 | 89.9 | 77.2 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.7 | 87.1 | 87.5 | 89.9 | 92.3 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87.1 | 99.1 | 89.9 | 74.2 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.7 | 73 | 87.5 | 71 | 85.6 |
| KLEVV CRAS V RGB KD5BGUA80-60A300J Compare | 87.4 | 87.1 | 87.5 | 89.9 | 85.6 |
| Patriot Viper Xtreme 5 S9145489 Compare | 99.6 | 98.6 | 97.7 | 71 | 74.1 |
Price
Value & Pricing
This is not a value buy. At roughly 1,485 EUR or 1,790 CAD, you're paying a serious premium for the Dominator Platinum name and that top-shelf performance. If you need 64GB of fast DDR5 and you want the RGB to match your Corsair ecosystem, it's worth it. If you just need capacity, there are cheaper kits that'll do the job.
We started tracking prices for this product on Jul 17, 2026. The chart appears once we have more data.
Read more
Overview
The Corsair Dominator Platinum RGB is the RAM you buy when you want the best and you're willing to pay for it. This 64GB kit runs at 6600 MT/s with CL32 timings, which puts it in the top tier of DDR5 performance. The one thing to know? It's fast, it's gorgeous, and it's priced like it knows both of those things.
Common Questions
Q: Will this RAM run at 6600 MT/s out of the box?
No. You'll need to enable the XMP profile in BIOS. Most motherboards default to 4800 or 5600 MT/s until you flip that switch.
Q: Is this RAM compatible with AMD systems?
It's optimized for Intel with XMP 3.0, but it'll work on AMD boards too. You just might not hit the full 6600 MT/s depending on your CPU's memory controller.
Q: How tall is this RAM and will it fit under my cooler?
It's 56mm tall. That's on the taller side for DDR5. If you're using a large air cooler or a compact case, measure your clearance before buying.
Who Should Skip This
If you're building a server or a budget workstation, this isn't your RAM. The server performance is mediocre at best, and you're paying for RGB and overclocking headroom you won't use. Go grab a Crucial Pro or Kingston FURY kit instead and spend the savings on literally anything else.
Verdict
Buy this if you want top-tier DDR5 performance with the best RGB implementation in the business. The 6600 MT/s speed and CL32 timings are legitimately excellent, and the onboard voltage regulation is a real feature, not marketing fluff. Just make sure your cooler clears that 56mm heatspreader and your wallet is ready.
