Corsair CMH64GX5M2B6400C32

★★★★★ 4.7 (2,324)

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.

Capacity 64GB
Kit 2 x 32GB
Memory DDR5
Speed 6400 MT/s
CAS Latency CL32
Form Factor UDIMM
Corsair CMH64GX5M2B6400C32 ram
95 Overall Score
Also available in:

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

4.7/5 (2324 reviews)
👍 Owners consistently praise the stable XMP profiles and easy installation, especially on AMD systems where it just works.
🤔 A recurring theme is the Hynix Die-M vs Die-A compatibility gamble, with some boards refusing to post at rated speeds.
👎 The biggest gripe is iCUE software, which multiple buyers describe as overly complex and frustrating to configure.

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q2 '23: 3.0★ · 1 reviewQ3 '23: 5.0★ · 1 reviewQ4 '23: 5.0★ · 1 reviewQ1 '24: 5.0★ · 1 reviewQ1 '25: 5.0★ · 1 reviewQ2 '25: 3.5★ · 2 reviewsQ3 '25: 3.0★ · 1 review1111121Q2 '23Q3 '23Q4 '23Q1 '24Q1 '25Q2 '25Q3 '25
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

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.

Performance Percentiles

Speed 94.7
Feature 87
Latency 87.5
Capacity 89.9
Social Proof 93.4

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 SpeedFeatureLatencyCapacitySocial Proof
Corsair CMH64GX5M2B6400C32 94.78787.589.993.4
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

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.

From €1,023 1 offer across 1 retailer
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.

Usage Scores

Overall (95)Budget (99.7)Gaming (100)Laptop (69.6)Server (45.3)Workstation (100)

Other Configurations60

Show all 60 configurations

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