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Black low-profile DDR4 module with anodized aluminum heatspreader

Corsair

Corsair CMK8GX4M1A2666C16 Vengeance LPX 8GB DDR4 2666 desktop RAM

SKU CH-5Y4S-HDGGC MPN CMK8GX4M1A2666C16

8GB DDR4 2666 desktop module with CL16 16-18-18-35 timings at 1.20V for high-performance overclocking

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL16
  • Memory timings16-18-18-35
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 8GB capacity supports smooth multitasking in daily workloads
  • DDR4 2666 speed delivers responsive data throughput for gaming
  • CL16 16-18-18-35 timings provide low-latency access to memory
  • 20V operation reduces power draw and heat output
  • Anodized aluminum heatspreader dissipates heat for stable overclocking headroom

Vengeance LPX 8GB DDR4 2666

This single 8GB module uses the DDR4 standard at 2666 MT/s with CL16 timings of 16-18-18-35. It targets builders who want a straightforward capacity increase for a desktop system without populating every slot.

Unbuffered 288-pin DDR4 limits

The unbuffered 288-pin DIMM operates at 1.20V and follows the PC4-21300 specification for desktop platforms. Systems that require registered or ECC memory cannot use this module, and maximum supported speed depends on the motherboard and processor memory controller.

Low-profile aluminum heatspreader

A pure aluminum heatspreader and an eight-layer PCB move heat away from the memory chips during sustained loads. The low-profile black design clears most CPU coolers and fits compact cases, while the single-stick layout leaves three slots open for future expansion.

How it compares

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

Price $16.99
Cheaper than about 91% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $2.12 per GB
Cheaper than about 94% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCORSAIR
Product lineVengeance LPX
Model nameCMK8GX4M1A2666C16
Total capacity8 GB
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL16
Memory timings16-18-18-35
ECC supportNo
Buffer typeUnbuffered
Heat spreaderAnodized Aluminum
Power
Rated voltage1.2 V
Size & build
Shipping weight0.06 kg
Package size155 × 75 × 13 mm
Compatibility
Recommended forHigh Performance or Gaming Memory

Questions about this item

Should I choose the single 8GB stick or look for a kit with multiple modules?

This part is a single 8GB module; if your motherboard has two or four slots you can add a second identical stick later to run in dual-channel mode.

What does the 2666 MHz rating mean once the module is installed?

The memory will run at 2666 MHz by default, delivering a peak transfer rate of PC4-21300, provided the CPU and motherboard support that speed.

Is the 288-pin DDR4 interface compatible with my desktop board?

The module uses the standard 288-pin DDR4 DIMM form factor and operates at 1.20 V, matching the electrical and physical requirements of any desktop DDR4 slot.

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