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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM20486412800SODRL 32GB (2x16GB) DDR3 1600 memory upgrade

SKU CH-AK9E-74YQK

32GB DDR3 1600 SO-DIMM kit (2×16GB, CL11, 1.5V) validated for ThinkPad P50s and T450

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 32 GB capacity with two 16 GB modules for full system upgrade
  • DDR3 1600 MHz speed rated at PC3-12800 for responsive performance
  • CL11 latency timing 11-11-11 for efficient data access
  • 204-pin SO-DIMM form factor fits Lenovo ThinkPad P50s and T450
  • 5 V standard voltage ensures stable operation without extra cooling

System-Specific DDR3 SO-DIMM Kit

This 32 GB kit contains two 16 GB DDR3 SO-DIMM modules built for Lenovo ThinkPad P50s and T450 notebooks. It targets owners of those models who need the maximum 32 GB capacity supported by the two available memory slots.

Unbuffered Non-ECC Modules at 1.5 V

Each stick uses a 204-pin SO-DIMM edge connector and operates at 1.5 V without a heat spreader. The low-profile design fits the tight spacing inside the compatible ThinkPad chassis, and the unbuffered, non-ECC layout matches the platform's standard memory controller requirements.

1600 MHz CL11 DDR3 Speed Rating

The modules run at DDR3 1600 (PC3 12800) with 11-11-11 timings. This speed grade is the single specification that determines whether the kit will operate at the rated frequency in the supported ThinkPad systems.

How it compares

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

Price $145.99
Cheaper than about 62% 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 $4.56 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM20486412800SODRL
Total capacity32 GB (2 × 16 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo ThinkPad P50s, ThinkPad T450
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the DDR3 1600 PC3-12800 rating cap real-world throughput?

The PC3-12800 label marks a peak transfer rate of 12800 MB/s; actual throughput is lower due to overhead and CL11 timing.

Will these 204-pin SO-DIMMs fit the two slots in a ThinkPad P50s or T450?

Yes, each module is a 204-pin DDR3 SO-DIMM and the system has two sockets supporting up to 32GB total.

Is any BIOS change or voltage jumper needed to run the 1.35 V DDR3L modules at 1.5 V?

No, the sticks are DDR3L rated at 1.35 V and will operate at the notebook's standard 1.5 V without configuration.

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