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Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminium/Intel XMP 3.0) DDR5 memory kit
Corsair

Corsair Vengeance CMK64GX5M2B6600C32

Expert rating9 / 10

View on Corsair StoreView on corsair.com
DDR Generation:
DDR5
Capacity:
64GB
Speed:
6600MT/s
CAS Latency:
CL32
Module Count:
2
Colour:
Black

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Manufacturer: Corsair Last updated: 2026-09-12

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Corsair Vengeance CMK64GX5M2B6600C32 Review

Corsair Vengeance CMK64GX5M2B6600C32 is a 64GB (2x32GB) DDR5-6600 CL32 dual-channel kit with no RGB lighting, black anodized aluminum heat spreader, Intel XMP 3.0.

A high-frequency, no-RGB 64GB kit that borrows the same 6600MT/s CL32 speed bin found in Corsair's flagship Dominator Titanium line but without the premium heat spreader or lighting, this is for buyers who want top-end DDR5 bandwidth and capacity purely for performance, not for looks. It's about as fast as non-boutique 64GB DDR5 gets while skipping the visual extras entirely.

Why Buy It

This brings the same 6600MT/s CL32 speed bin as the flagship Dominator Titanium line to the plainer Vengeance heat spreader, ideal for buyers who want top-tier bandwidth without paying for RGB or premium cooling fins.

Speed and Latency

CL32 at 6600MT/s works out to 9.7ns of true latency (32 / (6600 / 2) x 1000). Only 17% of the desktop DDR5 kits we track are as tight or tighter.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating9 / 10

Near-flagship DDR5 bandwidth at 64GB without paying the Dominator Titanium premium for looks.

Best for

  • Performance-focused builds not needing RGB
  • High-end workstations wanting top-tier bandwidth affordably
  • 64GB builds on the newest high-speed DDR5 platforms

Not for

  • Show builds wanting premium looks and lighting
  • Budget builds not needing 6600MT/s
  • AMD platforms without matching EXPO validation at this bin

Specifications

What these specs mean
Speed Score
9.0/10

How fast this kit is among DDR5 kits, rated from its speed and latency.

Identity

Peak Bandwidth105.6 GB/s
BrandCorsair
Part NumberCMK64GX5M2B6600C32
SeriesVengeance

Memory

DDR GenerationDDR5
Capacity64 GB
Speed6600 MT/s
CAS Latency32
Module Count2
Voltage1.4 V

Physical

RGB LightingNo

Module and platform

RAM SegmentDesktop DDR5
Form FactorStandard DIMM
Platform OptimisationIntel

Capacity

Capacity Per Module32 GB

Speed and timings

True Latency9.7 ns

Overclocking profile

XMP SupportYes
XMP VersionXMP 3.0
EXPO SupportNo

Silicon

Memory ICUndisclosed
ECCNo

Physical and lighting

ColourBlack

Commercial

WarrantyLimited Lifetime

FAQs

What are the key specifications of the Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminum/Intel XMP 3.0)?

Key specs for the Corsair Vengeance CMK64GX5M2B6600C32: Capacity Per Module 32 GB, Capacity 64 GB, Speed 6600 MHz, OC Profile XMP 3.0, Voltage 1.4 V, DDR Generation DDR5.

Will the Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminum/Intel XMP 3.0) work with my current setup?

The Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminum/Intel XMP 3.0) lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.

Who is the Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminum/Intel XMP 3.0) best suited to?

Best suited to: Performance-focused builds not needing RGB; High-end workstations wanting top-tier bandwidth affordably; 64GB builds on the newest high-speed DDR5 platforms.

What are the drawbacks of the Corsair Vengeance CMK64GX5M2B6600C32 (64GB 2x32GB Kit/DDR5 6600MHz/CL32/1.40V/No RGB Anodized Aluminum/Intel XMP 3.0)?

Not the best fit for: Show builds wanting premium looks and lighting; Budget builds not needing 6600MT/s; AMD platforms without matching EXPO validation at this bin.

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