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Green circuit board SODIMM module with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 16GB DDR3 1600MHz SODIMM ThinkPad P50s - C57

SKU CH-67AB-C8C9P

16GB DDR3 1600MHz SODIMM upgrade for ThinkPad P50s, 204-pin CL11 unbuffered non-ECC

  • Capacity16GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.5V
  • 16 GB single module expands ThinkPad P50s memory capacity
  • DDR3 1600 MHz speed matches system specification for stable operation
  • CL11 latency and 1.5 V voltage meet factory timing requirements
  • 204-pin SODIMM form factor fits directly into the notebook slot
  • Computer Memory Solutions guarantees compatibility with the listed ThinkPad model

ThinkPad P50s 16 GB DDR3 SODIMM

This 16 GB DDR3 SODIMM is built for the Lenovo ThinkPad P50s and runs at 1600 MHz with CL11 timing. It uses a 204-pin unbuffered non-ECC design at 1.5 V and carries a 2Rx8 rank configuration. The module is sold as a single 16 GB stick for straightforward capacity upgrades.

DDR3 1600 MHz SO-DIMM limits

The DDR3 SO-DIMM interface tops out at 1600 MHz and 1.5 V on this platform. Only two memory sockets exist, so total system memory cannot exceed 32 GB. Dual-channel operation requires paired modules; a single stick runs in single-channel mode. A 64-bit operating system is required to address the full capacity.

16 GB single-module headroom

One 16 GB module leaves one free socket for a second stick to reach the 32 GB maximum. Buyers who want more storage than 32 GB cannot use this platform. Systems with 4 GB already installed may see only 3.5 GB recognised depending on memory allocation.

Highlights

  • 16 GB single module expands ThinkPad P50s memory capacity
  • DDR3 1600 MHz speed matches system specification for stable operation
  • CL11 latency and 1.5 V voltage meet factory timing requirements
  • 204-pin SODIMM form factor fits directly into the notebook slot
  • Computer Memory Solutions guarantees compatibility with the listed ThinkPad model

Specifications

BrandComputer Memory Solutions
ModelCM20486412800SODRL
Capacity16GB
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Timing11-11-11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Thinkpad P50s
Package Content1Memory Ram Stick

Questions about this item

Should I buy this single 16GB stick or look for a pair of 8GB modules for my ThinkPad P50s?

The P50s has two sockets and a 32GB ceiling; a single 16GB stick leaves one slot free for a matching module later, while a pair of 8GB sticks would fill both slots now and enable dual-channel throughput immediately.

Will the advertised 1600MHz speed actually run at that rate once installed in the P50s?

The module is rated DDR3-1600 CL11 at 1.5V; the P50s memory controller supports that speed, so the stick will operate at 1600MHz without manual tuning.

Is the 204-pin DDR3 SO-DIMM interface the limiting factor for total capacity in this laptop?

Yes — the P50s uses two 204-pin DDR3 SO-DIMM slots, and the platform maximum is 32GB, so two 16GB modules like this one reach that ceiling.

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