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Corsair Vengeance CMK32GX5M1B5600C40 32GB (1x32GB) DDR5 5600MHz CL40 desktop memory kit, black, no RGB
Corsair

Corsair CMK32GX5M1B5600C40 32GB

View on Corsair
Capacity:
32GB
DDR Generation:
DDR5
Speed:
5600MT/s
CAS Latency:
CL40

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Manufacturer: Corsair Last updated: 2026-09-14

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Corsair CMK32GX5M1B5600C40 32GB Review

Corsair CMK32GX5M1B5600C40 32GB DDR5 desktop memory module

A 32GB (1x32GB) DDR5-5600 CL40 desktop DIMM from Corsair, part number CMK32GX5M1B5600C40.

Speed and Latency

CL40 at 5600MT/s works out to 14.3ns of true latency (40 / (5600 / 2) x 1000). That sits on the loose end: 89% of the desktop DDR5 kits we track match or beat it.

Platform Fit

Fits DDR5 desktop boards: AMD AM5 (600 and 800 series) and Intel 600, 700 and 800 series boards with DDR5 slots. It does not fit DDR4 boards; the notch is in a different place. 5600MT/s runs on any DDR5 board, but AM5 builds get lower latency from a 6000MT/s kit. It has an Intel XMP 3.0 profile only. Most AM5 boards can still load XMP, but kits with EXPO are validated for AMD.

Capacity and Configuration

This is a single 32GB module. On its own it runs in single-channel mode; pair it with an identical module for dual-channel bandwidth. 32GB covers current games with a browser and Discord open, plus most photo and video work.

Build and Cooling

Corsair does not publish the module height, so check your cooler's RAM clearance if you use a large air cooler. The memory chips are not disclosed. That only matters if you plan to tighten timings manually.

Speed Score

Our DDR5 Speed Score for this kit is 6.3 out of 10, rated from its transfer rate and true latency against other DDR5 kits. Scores only compare within the same DDR generation.

Our verdict

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

Best for

    Not for

    • Latency-focused builds: 89% of desktop DDR5 kits are as tight or tighter
    • Manual timing tuning: memory chips are not disclosed

    Specifications

    What these specs mean
    Speed Score
    6.3/10

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

    Identity

    Peak Bandwidth44.8 GB/s
    BrandCorsair
    Part NumberCMK32GX5M1B5600C40

    Memory

    DDR GenerationDDR5
    Capacity32 GB
    Speed5600 MT/s
    CAS Latency40
    Module Count1

    Module and platform

    RAM SegmentDesktop DDR5
    Form FactorDesktop DIMM
    Platform OptimisationAM5

    Capacity

    Capacity Per Module32 GB

    Speed and timings

    True Latency14.3 ns

    Overclocking profile

    XMP SupportYes
    XMP VersionXMP 3.0
    EXPO SupportNo

    Silicon

    Memory ICUndisclosed

    FAQs

    What are the key specifications of the Corsair CMK32GX5M1B5600C40 32GB?

    Key specs for the Corsair CMK32GX5M1B5600C40 32GB: Capacity Per Module 32 GB, Capacity 32 GB, Speed 5600 MT/s, OC Profile XMP 3.0, DDR Generation DDR5, Part Number CMK32GX5M1B5600C40.

    Will the Corsair CMK32GX5M1B5600C40 32GB work with my current setup?

    The Corsair CMK32GX5M1B5600C40 32GB 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.

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