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Two green circuit boards with black memory chips, no heat spreader, 260-pin SO-DIMM form factor

Computer Memory Solutions

Computer Memory Solutions CM2048642400SO 32GB (2x16GB) DDR4 2400 CL17 memory upgrade

SKU CH-4QKB-2M03H

A 32 GB DDR4 SO-DIMM kit (2 × 16 GB) running at 2400 MHz CL17 for compatible Lenovo ThinkPad models

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 32 GB total capacity from two 16 GB modules
  • DDR4 2400 MHz speed rated at PC4 19200
  • CL17 CAS latency with 17-17-17 timing
  • 2 V low voltage unbuffered non-ECC design
  • 260-pin SO-DIMM form factor for listed ThinkPad models

What this kit is and who it fits

This 32 GB kit contains two 16 GB DDR4 SO-DIMM modules rated at 2400 MHz with CL17 timing and 1.2 V operation. It is built as a direct upgrade for Lenovo ThinkPad P51s, P52s, T470 and T470p systems that accept 260-pin unbuffered non-ECC memory.

Check your laptop before ordering

Verify that your ThinkPad model appears in the supported list and that both SO-DIMM sockets are free or can be cleared for a two-module installation. The platform maximum is 32 GB across two sockets, so this kit fills the full capacity. Confirm the existing memory runs at 1.2 V to match the kit voltage.

Behaviour under sustained load

The modules run at standard JEDEC voltage without a heat spreader, relying on the laptop chassis for thermal dissipation. During extended workloads the CL17 latency remains consistent and the unbuffered design keeps signal paths short for stable throughput at the rated 2400 MHz speed.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $167.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.25 per GB
Cheaper than about 73% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048642400SO
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo Thinkpad P51s, P52s, T470, T470p
In the box
Included items2 Memory RAM Sticks

Questions about this item

What does the kit contain and do I need any extra parts for a ThinkPad P51s?

The kit includes two 16 GB DDR4 SO-DIMM modules. No extra parts are required; the sticks install directly into the two memory slots of the P51s.

Should I pick the CL17 kit or a different latency for a T470p?

The listed module is CL17 at 2400 MHz. Choose this version when your T470p specification calls for DDR4-2400 CL17 SO-DIMMs.

What does the 2400 MHz rating mean once the memory is in a P52s?

The P52s will run the memory at its rated 2400 MHz speed, delivering the full PC4-19200 bandwidth for the system.

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