Corsair CMP64GX5M4B6400C32W

★★★★☆ 4.4 (148)

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.

Capacity 64GB
Kit 4 x 16GB
Memory DDR5
Speed 6400 MT/s
CAS Latency CL32
Form Factor UDIMM
Corsair CMP64GX5M4B6400C32W ram
93 Overall Score
Also available in:

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

4.4/5 (148 reviews)
👍 Owners consistently praise the fast, stable performance and sleek aesthetics, especially when running two sticks.
👍 The removable top LED bars are a hit with SFF builders, dropping module height by roughly 12mm for tight clearance builds.
👎 A recurring complaint is stability issues when running all four sticks, with some users reporting failures after about a year of use.

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.

Performance Percentiles

Speed 94.7
Feature 87
Latency 87.5
Capacity 89.9
Social Proof 80.6

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 SpeedFeatureLatencyCapacitySocial Proof
Corsair CMP64GX5M4B6400C32W 94.78787.589.980.6
Kingston FURY Beast KF564C32BWEAK2-64 Compare 94.78787.589.993.4
G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare 87.48799.189.978.1
Crucial Pro Overclocking CP2K16G64C32U5B Compare 94.772.987.570.987.7
KLEVV CRAS V RGB KD5BGUA80-60A300J Compare 87.48787.589.987.7
Patriot Viper Xtreme 5 S9145489 Compare 99.698.697.770.978

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.

From £1,029 2 offers across 1 retailer
Amazon 2 offers From £1,029

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.

Usage Scores

Overall (93.3)Budget (96.7)Gaming (98.3)Laptop (68.6)Server (44.7)Workstation (98.7)

Other Configurations14

Show all 14 configurations

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