Corsair CMP64GX5M4B6400C32W
The 64GB kit runs at 6400 MT/s with CL32 timings and uses forged aluminum heat spreaders with patented DHX cooling for stable performance under load. Its 11 addressable RGB LEDs and swappable top bars let you customize both looks and cooling, while Intel XMP 3.0 profiles enable one-click overclocking. Best for enthusiasts building a high-end Intel DDR5 workstation or gaming rig who want premium build quality and customizable aesthetics.
Snapshot
The 30-Second Version
64GB of DDR5 at 6400 MT/s with CL32 timings puts this kit in the top 5% of all memory we've tracked. The build quality is exceptional, with forged aluminum and 11 RGB LEDs per stick. But the four-stick configuration causes stability issues on some boards, and the EUR 234 price spread across vendors means you need to shop carefully.
Pros & Cons
Pros
- 6400 MT/s speed puts it in the top 5% of all memory we've tracked 95th
- 64GB capacity at 90th percentile gives serious multitasking headroom 90th
- CL32 latency is tight for this speed class 88th
- Removable top LED bars drop height by ~12mm for SFF builds 87th
- Forged aluminum build with 11 RGB LEDs per stick looks and feels premium
Cons
- Four-stick configuration can cause stability issues on some boards
- Premium price with EUR 234 spread across vendors
- Some models lack EXPO profiles for AMD systems
- A few owners report failures after about a year
- Server performance is a weak spot at 44.7/100
What owners think
The Word on the Street
The proof
Performance
6400 MT/s at CL32 puts this kit in the top 5% of all memory we've tracked. The latency sits at 88th percentile, which is excellent but not the absolute best, and that's worth noting if you're chasing every last nanosecond. The 32-40-40-84 timings are tight for this speed class, and the 1.4V operating voltage is standard for high-performance DDR5. Capacity-wise, 64GB lands at 90th percentile, so you're getting both speed and headroom in one package.
Real-world feedback backs up the specs. Owners consistently report fast, stable performance with XMP enabled, and several mention successful overclocking beyond the rated speed. The DHX cooling design, which cools both the ICs and the PCB ground plane, seems to do its job under load. But there's a catch: most of the glowing performance reports come from two-stick configurations. Running all four sticks at full speed can be finicky on some boards, and a few users reported stability issues when populating every slot. If you're buying this as a 4 x 16GB kit, make sure your motherboard's memory topology can handle it.
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | UDIMM |
| Total Capacity | 65536 |
| Modules | 4 |
| Per Module | 16384 |
| 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
Against the Kingston FURY Beast KF564C32BWEAK2-64, the Corsair kit trades blows on raw specs but costs more. The Kingston kit is also 64GB at 6400 MT/s with CL32 timings, so you're getting essentially the same performance envelope without the RGB premium. The G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG runs at 6000 MT/s, so it's slightly slower on paper, but G.Skill's reputation for memory overclocking is stellar and the price is typically lower. The Crucial Pro Overclocking CP2K16G64C32U5B is a 32GB kit, so you're giving up half the capacity, but it's a budget-friendly option if you don't need 64GB. The KLEVV CRAS V RGB and Patriot Viper Xtreme 5 are both solid mid-range alternatives that undercut the Corsair on price while offering similar speeds. If you want the best-looking kit with the most premium feel, Corsair wins. If you want the best performance per dollar, look elsewhere.
| Spec | Corsair CMP64GX5M4B6400C32W | 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 | 4 x 16GB | 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 CMP64GX5M4B6400C32W | 94.7 | 87 | 87.5 | 89.9 | 80.6 |
| 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
This is where things get tricky. The USD price sits at $1,298, and EUR listings range from EUR 1,161 to EUR 1,395 across eight vendors. That's a EUR 234 spread for the exact same kit, which is frankly ridiculous. If you're in Europe, shop around, because paying EUR 1,395 when someone else sells it for EUR 1,161 is just leaving money on the table. The best EUR deal we found is at the lower end of that range, and there's no reason to pay more for identical silicon.
Is it worth it? For a 64GB kit at 6400 MT/s with this build quality, the price per gigabyte is actually competitive with other flagship DDR5 kits. But you're paying a Corsair tax for the name, the RGB ecosystem, and the swappable top bar. If you don't care about iCUE integration or the aesthetic extras, you can get similar raw performance for less.
Amazon 2 offers From €1,196
We started tracking prices for this product on Jun 9, 2026. The chart appears once we have more data.
Read more
Overview
64GB of DDR5 at 6400 MT/s with CL32 timings. That's a 95th percentile speed rating in our database, and it shows. This is a four-stick kit (4 x 16GB), which means you're filling every DIMM slot on most boards, and that comes with its own set of caveats we'll get into. But on paper, this is one of the fastest consumer DDR5 kits you can buy right now.
The Dominator Titanium is Corsair's flagship memory line, and the build quality backs that up. Forged aluminum heat spreaders, 11 addressable RGB LEDs per stick, and a swappable top bar that you can replace with official accessories or 3D print your own. It's a premium product with a premium feel, and the 4.4-star average across 148 reviews suggests most buyers agree. But the price tag is steep, and the four-stick configuration isn't for everyone.
Common Questions
Q: Can I run this kit at full speed on an AMD system?
It depends on the specific model. This kit is optimized for Intel XMP 3.0, and some Dominator Titanium variants lack EXPO profiles entirely. If you're on AMD, check the exact model number before buying. Several owners report that EXPO works on compatible models, but it's not universal across the lineup.
Q: Will four sticks of this RAM work in my motherboard?
Maybe. The kit is sold as 4 x 16GB, but running four DDR5 sticks at 6400 MT/s is demanding on the memory controller. Some boards handle it fine, others struggle. Corsair's own support recommends buying a 4-module kit from the start rather than mixing two 2-stick kits, but even then, stability at full XMP speed isn't guaranteed on every board.
Q: Is the swappable top bar just a gimmick?
Not really. The removable top bar serves two purposes: you can swap it for different aesthetic options or 3D print your own, and removing it entirely drops the module height by about 12mm. That's a real benefit for small form factor builds where clearance is tight. It's a niche feature, but it's genuinely useful if you need it.
Who Should Skip This
If you're building a server or a system where stability is more important than speed, look elsewhere. The server performance score of 44.7/100 is the weakest area for this kit, and the four-stick configuration issues don't help. If you're on a budget, the premium price and Corsair tax will sting, especially when competitors like the Kingston FURY Beast offer similar specs for less. And if you're running an AMD system, the lack of EXPO on some models makes this a risky buy without careful research. This is a kit for enthusiasts who want the best-looking, fastest memory and are willing to troubleshoot if their board doesn't cooperate.
Verdict
The Dominator Titanium is a genuinely excellent memory kit with one major asterisk. The speed, capacity, and build quality are all top-tier, and the 4.4-star rating from 148 reviews confirms that most buyers are happy. But the four-stick configuration is a real concern. Multiple owners report stability issues when running all four modules at rated speeds, and a few mention failures after about a year. If you're building a high-end Intel system and want the best-looking, best-performing memory on the market, this is a strong choice. Just make sure your motherboard can actually handle four sticks at 6400 MT/s before you commit.