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Two green DDR4 SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 64GB (2×32GB) DDR4 2666MHz CL19 SODIMM ThinkPad P52 P53 P72 P73 memory upgrade

SKU CH-PW1K-3N68D

A 64 GB DDR4 2666 MHz SODIMM kit of two 32 GB modules validated for ThinkPad P52, P53, P72 and P73 workstations

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 CAS latency with 19-19-19 timing
  • 2 V unbuffered non-ECC SODIMM using 260-pin layout
  • Validated for ThinkPad P52, P53, P72 and P73 systems

Purpose-built upgrade

This 64 GB kit supplies two 32 GB DDR4 SO‑DIMMs tuned for Lenovo ThinkPad P52, P53, P72 and P73 mobile workstations. It targets professionals who need the full 64 GB capacity for large datasets, virtual machines or rendering workloads on these specific models.

Installation experience

Each module is a standard 260‑pin SO‑DIMM that seats in the factory memory slots without tools; the unbuffered, non‑ECC design matches the Core i7/i9 processor requirement for these laptops. The only common issue is mixing with slower existing sticks, which forces the entire array to run at the lowest installed speed.

Deciding specification

The kit delivers 64 GB total (2 × 32 GB) at DDR4‑2666 (PC4‑21300) with CL19 timing and 1.2 V operation; this exact speed‑capacity combination is what determines whether the upgrade fits the platform’s maximum supported configuration.

Puntos fuertes

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 CAS latency with 19-19-19 timing
  • 2 V unbuffered non-ECC SODIMM using 260-pin layout
  • Validated for ThinkPad P52, P53, P72 and P73 systems

Especificaciones

BrandComputer Memory Solutions
ModelCM4096642666SO
Capacity64GB (2 x 32GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo ThinkPad P52, ThinkPad P53, ThinkPad P72, ThinkPad P73
Package Content2 Memory RAM Sticks

Preguntas sobre este artículo

How can I confirm the kit is running at 2666 MHz CL19 after installation?

Open Task Manager or BIOS and verify the memory speed reads 2666 MHz with timings of 19-19-19.

What does the package contain and is anything else required?

The box includes two 32 GB DDR4 260-pin SODIMM modules; no extra parts are needed for the upgrade.

Should I choose this 64 GB kit or a different capacity for my ThinkPad P52?

This 64 GB (2×32 GB) kit fills two of the four slots and works with Core i7/i9 CPUs; the system maximum is 128 GB.

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