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Four black anodized aluminum DDR4 modules with RGB light bars

Corsair

Corsair Vengeance RGB Pro CMW64GX4M4A2666C16 64GB (4x16GB) DDR4 2666 CL16 desktop RAM

SKU CH-74KZ-0EFCT MPN CMW64GX4M4A2666C16

A 64 GB four-module DDR4 kit running at 2666 MT/s with CL16 timing and 1.20 V, featuring ten RGB LEDs per module controllable through iCUE software

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL16
  • Memory timings16-18-18-35
  • Rated voltage1.2 V
  • Heat spreaderAnodized Aluminum

Capacity 64GB (4 x 16GB)

Speed DDR4 2666 (PC4 21300)

CAS Latency CL16

Color Black

  • High 64 GB capacity from four 16 GB modules for demanding workloads
  • DDR4 2666 speed with CL16 latency delivers responsive performance
  • Dynamic multi-zone RGB lighting with 10 ultra-bright LEDs per module
  • Custom performance PCB and tightly screened ICs ensure signal quality and stability
  • XMP 2.0 support enables one-click BIOS configuration for rated speeds

64 GB quad-channel kit for RGB builders

This Corsair Vengeance RGB Pro kit delivers 64 GB across four 16 GB DDR4 2666 modules rated CL16 16-18-18-35 at 1.20 V. It targets enthusiasts who want high capacity with per-module lighting control via iCUE software.

Installation ease and common pitfalls

Ten ultra-bright RGB LEDs per module light up without extra cables, and XMP 2.0 applies rated speed with one BIOS setting. The anodized aluminum spreaders add height, so verify CPU cooler clearance before seating all four sticks.

Pre-order compatibility checklist

Confirm your motherboard runs DDR4 and supports 2666 MT/s on four populated slots; the kit is validated for AMD 300 400 500 series and TRX40 plus Intel 300 400 series chipsets. Ensure the board can supply 1.20 V and that the BIOS is recent enough for XMP 2.0 activation.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $691.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $10.81 per GB
Pricier than about 70% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance RGB Pro
Model nameCMW64GX4M4A2666C16
Total capacity64 GB (4 × 16 GB)
Product colorBlack
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL16
Memory timings16-18-18-35
Heat spreaderAnodized Aluminum
Power
Rated voltage1.2 V
Size & build
Shipping weight0.31 kg
Package size198 × 132 × 25 mm
Compatibility
Recommended forAMD & Intel Compatible / AMD 300 Series / AMD 400 Series / AMD 500 Series / AMD TRX40 / Intel 300 Series / Intel 400 Series
More details
LED lightingRGB

Other versions of this model

5 more in the same range

Questions about this item

How can I confirm the Vengeance RGB Pro kit is running at the rated DDR4 2666 CL16 16-18-18-35 timings after installation?

Enable the XMP 2.0 profile in the motherboard BIOS, then verify the active speed and timings with CPU-Z or the board's built-in memory info screen.

What comes in the CMW64GX4M4A2666C16 package and is any extra cabling needed for the RGB lighting?

The box contains four 16 GB modules with anodized aluminum heat spreaders; no extra wires or cables are required because the 10 RGB LEDs per module draw power directly from the DIMM slot.

Which capacity version of the Vengeance RGB Pro DDR4 2666 CL16 line should I pick for a 64 GB quad-channel build?

Choose the CMW64GX4M4A2666C16 kit — it provides four matched 16 GB sticks for a total of 64 GB, optimized for the latest Intel 300, 400 series and AMD 300, 400, 500, TRX40 platforms.

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