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Two black low-profile DDR4 modules with anodized aluminum heatspreaders

Corsair

Corsair Vengeance LPX CMK16GX4M2Z2666C16 16GB (2x8GB) DDR4 2666 CL16 desktop RAM

SKU CH-A21Y-XNVXR MPN CMK16GX4M2Z2666C16

Dual-channel 16 GB DDR4 kit runs at 2666 MHz with CL16 timings and an anodized aluminum heatspreader for AMD Ryzen systems

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL16
  • Memory timings16-18-18-35
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 16GB (2 x 8GB)

Speed DDR4 2666 (PC4 21300)

  • Optimised for AMD Ryzen 300, 400, X470, X570 and TRX40 platforms
  • Dual-channel 16 GB kit at DDR4 2666 CL16 for responsive multitasking
  • Low-profile anodised aluminium heatspreader keeps modules cool under load
  • Eight-layer PCB and screened ICs provide overclocking headroom
  • Runs at 1.20 V for lower power draw than DDR3

AMD Ryzen DDR4 Kit

This 16GB dual-channel kit uses two 8GB modules running at DDR4 2666 with CL16 timings of 16-18-18-35. It is designed for AMD Ryzen platforms including 300 Series, 400 Series, X470, X570 and TRX40 chipsets. Each module operates at 1.20V without ECC or buffering.

Low Profile 288 Pin Fit

The 288-pin DIMMs carry a low-profile anodized aluminum heatspreader that clears larger CPU coolers in compact builds. An eight-layer PCB manages heat and supports overclocking headroom while the unbuffered design keeps latency low for responsive desktop performance.

Screened ICs and AMD Testing

Individually screened memory ICs are selected for overclocking potential and validated across a wide range of AMD Ryzen motherboards. This compatibility testing reduces the chance of boot issues and helps the kit reach its rated speed without manual tuning.

How it compares

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

Price $32.99
Cheaper than about 77% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $2.06 per GB
Cheaper than about 94% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameCORSAIR
Product lineVengeance LPX
Model nameCMK16GX4M2Z2666C16
Total capacity16 GB (2 × 8 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
Kit configurationDual Channel Kit
Heat spreaderAnodized Aluminum
Power
Rated voltage1.2 V
Size & build
Shipping weight0.10 kg
Package size155 × 89 × 10 mm
Compatibility
Recommended forAMD 300 Series / AMD 400 Series / AMD Ryzen Compatible / AMD TRX40 / AMD X470 / AMD X570

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