Corsair CMT64GX5M2B5200C40 Dominator Platinum 64GB DDR5 5200MHz

Name: Corsair CMT64GX5M2B5200C40 Dominator Platinum 64GB DDR5 5200MHz
Brand: Corsair
SKU: CMT64GX5M2B5200C40

Overview

The Corsair Dominator Platinum RGB DDR5 (CMT64GX5M2B5200C40) is a 64GB dual-channel memory kit that brings DDR5's bandwidth advantages to demanding computing environments. Running at 5200MHz with CL40 timings, the two 32GB modules are engineered for Intel platforms and ship with Intel XMP 3.0 support, allowing one-click overclocking or custom profile creation through Corsair's iCUE software. The onboard power management IC (PMIC) handles voltage regulation directly on the module, giving users more granular and stable control over overclocking than was possible with DDR4's motherboard-dependent voltage delivery.

Thermal performance is addressed by Corsair's patented DHX cooling technology, which applies a heatspreader not only to the memory ICs but also to the PCB's ground plane, creating two separate thermal paths. This is particularly beneficial during extended rendering, compilation, or simulation workloads where sustained memory loads can generate significant heat. The kit also features Corsair's signature Dominator aesthetic — a brushed aluminum top bar housing individually addressable RGB LEDs that can be synchronized with other Corsair peripherals through iCUE. For builders who need 64GB of DDR5 with reliable thermal management and deep software integration, this kit is a strong contender in the premium memory segment.

Key Features

Welcome to the Cutting-Edge of Performance: Push the limits of your system like never before with DDR5 memory, unlocking even faster frequencies, greater capacities, and better performance.

Do it All, and Do it Faster: As modern CPUs feature more and more cores, the unprecedented speed of DDR5 ensures your high-end CPU gets data quickly, enabling faster processing, rendering, and buffering than ever before.

Onboard Voltage Regulation: Makes for easier, finely-tuned, and more stable overclocking through CORSAIR iCUE software than ever.

Patented CORSAIR DHX Cooling: Keeps DDR5 temperatures down by cooling both the ICs and the ground plane of the PCB itself with its own dedicated heatspreader, ensuring high performance even under extreme loads.

Custom Intel XMP 3.0 Profiles: Customize and save your own XMP profiles via iCUE to tailor performance by app or task for greater efficiency.

Specifications

Brand

Corsair

Model

CMT64GX5M2B5200C40

Capacity

64GB (2 x 32GB)

Memory Type

DDR5

Speed

5200MHz

CAS Latency

CL40

Platform Compatibility

Intel (XMP 3.0)

Cooling

Patented DHX dual-heatspreader

Lighting

RGB (iCUE compatible)

Color

Black

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Pros & Cons

👍 Pros

64GB capacity across two modules provides ample headroom for memory-intensive workloads like rendering and multitasking.
Onboard voltage regulation enables finer, more stable overclocking adjustments compared to motherboard-controlled DRAM voltage.
Patented DHX cooling with a dual-heatspreader design keeps temperatures in check during sustained high-load operations.
Custom XMP 3.0 profile support lets you save multiple tuned configurations and switch between them via iCUE.
Premium build quality with brushed aluminum top bar and customizable RGB lighting.

👎 Cons

CL40 latency at 5200MHz is relatively high, which may reduce responsiveness in latency-sensitive applications compared to tighter-timed kits.
Tall heatspreader design may interfere with some large air CPU coolers, requiring clearance verification before purchase.
Optimized for Intel XMP 3.0 and may not deliver rated speeds on AMD platforms without manual tuning.
Higher price point compared to standard DDR5 modules at similar capacity and speed.

Frequently Asked Questions

What platforms is this memory kit compatible with?

This kit is optimized for Intel platforms and supports Intel XMP 3.0 profiles for easy overclocking and performance tuning.

What is the kit configuration?

It is a 64GB kit consisting of two 32GB DDR5 modules (2x32GB) running at 5200MHz with CL40 latency.

Can I create and save my own XMP profiles?

Yes, using Corsair iCUE software you can customize and save your own XMP 3.0 profiles, tailoring memory performance to specific applications or tasks.

How does the DHX cooling system work?

Corsair's patented DHX technology uses a dedicated heatspreader that cools both the memory ICs on top and the ground plane of the PCB itself, providing dual-path heat dissipation under heavy loads.

Is the RGB lighting customizable?

Yes, the Dominator Platinum RGB lighting is fully customizable through Corsair iCUE software, allowing you to sync effects across compatible Corsair devices.