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Corsair Dominator Platinum RGB CMT32GX5M2B5200C40 32GB (2x16GB) DDR5 5200MHz CL40 desktop memory kit, black, RGB
Corsair

Corsair CMT32GX5M2B5200C40 32GB

RAMView on corsair.com
Summary:
32GB (2x16GB) DDR5-5200 CL40 Dominator Platinum RGB kit

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Manufacturer: Corsair Last updated: 2026-09-14

Corsair CMT32GX5M2B5200C40 32GB (2x16GB) Review

The Corsair CMT32GX5M2B5200C40 is a 32GB (2x16GB) DDR5-5200 CL40 kit from Corsair's Dominator Platinum RGB line.

This kit was previously mislisted as a single 16GB module; it's actually a 2x16GB, 32GB total kit. 5200MT/s CL40 is an entry-level DDR5 speed, so this is really about getting the Dominator Platinum RGB look at a lower price point rather than chasing performance — Corsair's own CMT32GX5M2E6000C36 gets you the same 32GB at meaningfully better timings for a modest step up.

Performance

At 5200MT/s CL40, true latency computes to 15.4ns, near the bottom of DDR5's range. It'll still run fine as everyday desktop memory, just without the headroom a 6000MT/s kit offers.

Compatibility

5200MT/s is safe on virtually any DDR5 motherboard, AM5 or Intel, with no fabric-ratio or IMC concerns to worry about.

Comparison to Alternatives

Corsair's own CMT32GX5M2E6000C36 offers the same 32GB (2x16GB) capacity and Dominator Platinum RGB styling at 6000MT/s CL36, a real latency and bandwidth upgrade for a modest price difference.

Specifications

Identity

BrandCorsair
Part NumberCMT32GX5M2B5200C40

Memory

DDR GenerationDDR5
Capacity32 GB
Speed5200 MT/s
CAS Latency40
Module Count2

Physical

Form FactorDesktop DIMM
RGB LightingYes

Module and platform

RAM SegmentDesktop DDR5

Capacity

Capacity Per Module16 GB

Speed and timings

True Latency15.4 ns

Silicon

Memory ICUndisclosed

Physical and lighting

ColourBlack
Platform Sweet SpotAM5
Spec Score4.4

Expert Review

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

Best for

  • Entry-level DDR5 builds wanting the Dominator Platinum RGB look on a budget
  • Office and everyday desktop use

Not for

  • Gaming or productivity builds that benefit from higher DDR5 speeds
  • Buyers who could stretch to a 6000MT/s kit instead

FAQs

What are the key specifications of the Corsair CMT32GX5M2B5200C40 32GB (2x16GB)?

The Corsair CMT32GX5M2B5200C40 32GB (2x16GB) is a memory kit from Corsair. Key specs: DDR Generation DDR5, Capacity 32GB (2x16GB), Speed 5200MT/s, CAS Latency 40, Module Count 2.

Will the Corsair CMT32GX5M2B5200C40 32GB (2x16GB) work with my current setup?

The Corsair CMT32GX5M2B5200C40 32GB (2x16GB) 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 CMT32GX5M2B5200C40 32GB (2x16GB) best suited to?

It suits entry-level ddr5 builds wanting the dominator platinum rgb look on a budget, office and everyday desktop use.

What are the drawbacks of the Corsair CMT32GX5M2B5200C40 32GB (2x16GB)?

It is a poor fit for gaming or productivity builds that benefit from higher ddr5 speeds, buyers who could stretch to a 6000mt/s kit instead.

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