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Two green circuit boards with black chips, no heat spreader, 288 pins each

Crucial

Crucial CT2K16G4DFRA266 32GB (2 x 16GB) DDR4 2666 desktop RAM

SKU CH-J5T8-W261W MPN CT2K16G4DFRA266

A 32 GB dual-channel kit of two 16 GB DDR4 2666 modules running at CL19 and 1.20 V for desktop upgrades

  • Capacity32GB (2 x 16GB)
  • Type288-Pin PC RAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V

Capacity 32GB (2 x 16GB)

Speed DDR4 2666 (PC4 21300)

CAS Latency CL19

  • 32GB dual-channel kit for high-capacity desktop builds
  • 2666 MT/s DDR4 speed for fast data throughput
  • CL19 timing with 1.20V operation for efficient performance
  • Up to 32% bandwidth increase over previous DDR4 modules
  • Up to 40% lower power consumption for reduced system heat

32GB DDR4 2666 kit

This Crucial kit delivers 32GB of DDR4 memory in two 16GB modules rated at 2666 MT/s. It targets desktop users who need more capacity for multitasking or content work and whose platforms support DDR4 2666 operation.

Tool-free DIMM installation

The 288-pin unbuffered DIMMs install by aligning the notch and pressing until the latches click. Common issues include mixing speeds or capacities, which can force the system to run at the lowest common setting, and forgetting to enable the rated profile in BIOS.

Confirm DDR4 288-pin support

Before ordering, verify that your motherboard accepts DDR4 288-pin unbuffered non-ECC memory and can run at 1.20V. The kit has no heat spreader, so ensure adequate case airflow if the memory slots sit near large coolers.

Puntos fuertes

  • 32GB dual-channel kit for high-capacity desktop builds
  • 2666 MT/s DDR4 speed for fast data throughput
  • CL19 timing with 1.20V operation for efficient performance
  • Up to 32% bandwidth increase over previous DDR4 modules
  • Up to 40% lower power consumption for reduced system heat

Especificaciones

BrandCrucial
ModelCT2K16G4DFRA266
Capacity32GB (2 x 16GB)
Type288-Pin PC RAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo
FeaturesSpeeds up to 2666 MT/s and faster data rates are expected to be available as DDR4 technology matures
Increase bandwidth by up to 32%
Reduce power consumption by up to 40%
Faster burst access speeds for improved sequential data throughout
Optimized for next generation processors and platforms
Peso de envío0.07 kg
Dimensiones del paquete175 × 89 × 6 mm

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Preguntas sobre este artículo

How can I verify the kit is running at 2666 MT/s with CL19 timing after installation?

Open Task Manager or CPU-Z and confirm the memory tab shows 2666 MT/s and 19-19-19 timings at 1.20V.

What exactly ships in the box and is anything else required to install it?

Two 16 GB 288-pin DDR4 modules are included; no extra cables or heat spreaders are needed for standard desktop slots.

Should I choose the 32 GB 2 x 16 GB kit or a different capacity for a dual-channel desktop build?

This 2 x 16 GB kit provides 32 GB total and is designed for dual-channel operation on DDR4 platforms.

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