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Two green circuit-board SO-DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642400SO 32GB (2x16GB) DDR4 2400 CL17 1.2V 260-Pin SO-DIMM

SKU CH-T0K0-Z5HY2

32GB dual-channel DDR4 kit with two 16GB SO-DIMMs at 2400MHz CL17 for Lenovo ThinkPad P50, P51, P70 and P71

  • 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 kit expands laptop memory for heavier workloads
  • DDR4 2400 speed matches ThinkPad P50, P51, P70, P71 specifications
  • CL17 latency with 1.2 V operation keeps power draw low
  • 260-pin SO-DIMM form factor fits factory memory slots directly
  • Two 16 GB modules enable dual-channel performance on four-slot platforms

Compatible ThinkPad Upgrade

This 32 GB kit contains two 16 GB DDR4 SO-DIMM modules built for Lenovo ThinkPad P50, P51, P70 and P71 mobile workstations. It targets owners who need more memory for virtualisation, large datasets or multitasking without replacing the whole machine.

Slot-Ready Configuration

Each stick uses the 260-pin SO-DIMM form factor and runs at 1.2 V unbuffered, so it drops straight into the four available sockets. The dual-rank 2Rx8 organisation fills two slots and leaves the other two free for a future 64 GB maximum.

Steady 2400 MHz Operation

Rated at DDR4-2400 with CL17 17-17-17 timings, the modules maintain their rated speed during extended compile jobs or rendering sessions. Non-ECC silicon means error correction is handled by the platform, not the memory itself.

How it compares

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

Price $157.99
Cheaper than about 61% 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 $4.94 per GB
Cheaper than about 77% 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 P50, P51, P70, P71
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the CL17 latency become a bottleneck during long rendering sessions?

The modules run at CL17 with 17-17-17 timings at DDR4 2400; latency is fixed by the SPD profile and does not change under sustained load.

How much heat do two 16 GB sticks produce when the laptop runs all day?

Unbuffered DDR4 SO-DIMMs at 1.2 V generate minimal heat; the kit has no heat spreader and relies on the ThinkPad chassis airflow.

Which ThinkPad models must I already own for this 32 GB kit to work?

Compatible systems are Lenovo ThinkPad P50, P51, P70 and P71 (20EN, 20EQ, 20HH, 20ER, 20ES, 20HK series).

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