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Four green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM2048642666DIMM 64GB (4x16GB) DDR4 2666MHz CL19 1.2V Non-ECC DIMM

SKU CH-D20W-AT1WS

A 64 GB DDR4 kit of four 16 GB modules at 2666 MHz CL19, 1.2 V, validated for Alienware Aurora R6–R9 desktops

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 64 GB total capacity from four 16 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing at 1.2 V
  • Unbuffered non-ECC 288-pin DIMM using major-brand chipset
  • Guaranteed compatible with Alienware Aurora R6, R7, R8 and R9 desktops

System-specific DDR4 kit

This 64GB kit contains four 16GB DDR4 DIMMs validated for Alienware Aurora R6, R7, R8 and R9 desktops. The modules run at 2666MHz with CL19 timings and operate at the standard 1.2V. Unbuffered non-ECC design suits consumer platforms that do not require error correction or registered memory.

Thermals noise and power

Without a heat spreader the sticks rely on case airflow to stay cool during typical workloads. DDR4 at 1.2V draws modest power and generates little heat in everyday use. Silent operation is assured because the modules have no moving parts or active cooling.

Sustained load behaviour

Under continuous memory-intensive tasks the 2Rx8 organisation and major-brand chipset maintain stable timings at the rated speed. The four-stick population fills all 288-pin slots up to the platform maximum of 64GB. Builders needing ECC, registered DIMMs or capacities beyond 64GB should look elsewhere.

Points forts

  • 64 GB total capacity from four 16 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing at 1.2 V
  • Unbuffered non-ECC 288-pin DIMM using major-brand chipset
  • Guaranteed compatible with Alienware Aurora R6, R7, R8 and R9 desktops

Caractéristiques

BrandComputer Memory Solutions
ModelCM2048642666DIMM
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemAlienware Aurora R6 Desktop, Aurora R7 Desktop, Aurora R8 Desktop, Aurora R9 Desktop
Package Content4 Memory Ram Sticks

Questions sur cet article

How do I install the 288-pin DDR4 DIMMs in my Alienware Aurora R7, and which slot order should I use?

Power off the desktop, open the case, and press each 16 GB module into the four DDR4 slots until the retention clips click; the Aurora R6-R9 platforms expect all four slots populated for the full 64 GB kit.

Will the 1.2 V unbuffered modules need any firmware updates or thermal-pad replacement over time?

No firmware is required for these non-ECC DIMMs, and without a heat spreader there are no thermal pads to degrade; the limited lifetime warranty covers manufacturing defects only.

At what point does the CL19 2666 MHz rating become the bottleneck during long rendering sessions?

The CAS 19 timing at 2666 MHz sets the latency floor; sustained workloads that saturate memory bandwidth will hit this limit before the 1.2 V voltage or 2Rx8 rank configuration becomes a factor.

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