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Four black low-profile DDR4 modules with anodized aluminum heatspreaders

Corsair

Corsair CMK64GX4M4A2666C16 Vengeance LPX 64GB (4x16GB) DDR4 2666 CL16 desktop RAM

SKU CH-HB85-0064A MPN CMK64GX4M4A2666C16

A 64 GB DDR4 kit of four 16 GB modules running at 2666 MT/s with CL16 timings and a low-profile aluminum heatspreader for overclocking headroom

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetAMD X399 Compatible
  • CAS latencyCL16
  • Memory timings16-18-18-35
  • Rated voltage1.2 V
  • 64 GB capacity across four 16 GB modules for heavy multitasking
  • DDR4 2666 speed with CL16 timing for responsive performance
  • 20 V operation reduces power draw and heat
  • Anodized aluminum heatspreader dissipates heat efficiently during overclocking
  • Eight-layer PCB design improves signal integrity and thermal headroom

Vengeance LPX 64GB DDR4 Kit

This Corsair Vengeance LPX kit provides 64GB of desktop memory across four 16GB modules. It runs at DDR4 2666 with a CAS latency of 16 and operates at 1.20V. The unbuffered, non-ECC DIMMs use 288-pin connectors and feature anodized aluminum heatspreaders.

High-Capacity Overclocking Builds

The kit suits enthusiasts assembling high-performance or gaming systems that benefit from 64GB capacity and overclocking headroom. The eight-layer PCB and aluminum heatspreaders support sustained speeds. Builders needing ECC error correction or registered modules for server workloads should consider different memory.

Straightforward Desktop Installation

Modules install into standard 288-pin DDR4 slots on compatible motherboards such as AMD X399 platforms. The low-profile heatspreader design reduces clearance issues with larger CPU coolers. Ensure the BIOS is configured for the rated 16-18-18-35 timings and 1.20V voltage to avoid stability problems.

How it compares

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

Price $328.99
Pricier than about 77% 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 $5.14 per GB
Cheaper than about 70% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance LPX
Model nameCMK64GX4M4A2666C16
Total capacity64 GB (4 × 16 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetAMD X399 Compatible
Memory
CAS latencyCL16
Memory timings16-18-18-35
ECC supportNo
Buffer typeUnbuffered
Heat spreaderAnodized Aluminum
Power
Rated voltage1.2 V
Size & build
Shipping weight0.20 kg
Package size155 × 90 × 22 mm
Compatibility
Recommended forHigh Performance or Gaming Memory

Questions about this item

Will this 64 GB kit fit in a standard ATX motherboard with four DDR4 slots?

The kit contains four 16 GB modules using the 288-pin DDR4 form factor, which matches the standard desktop DIMM layout used by most ATX boards.

What do the timing numbers 16-18-18-35 mean for everyday use?

They represent the CAS latency and subsequent delays in clock cycles; at 2666 MT/s this kit runs at CL16 with 1.20 V, a common profile for stable performance.

Does the low-profile aluminium heatspreader clear large CPU air coolers?

The Vengeance LPX design uses a reduced-height anodised aluminium spreader specifically to avoid interference with oversized tower coolers.

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