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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM5126412800SODRH 4GB DDR3 1600 CL11 SODIMM memory upgrade

SKU CH-BXTS-Z8AYC

4GB DDR3 1600 CL11 SODIMM module for Toshiba Satellite S55-A series laptops

  • Capacity4GB
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Timing11-11-11
  • Voltage1.5V
  • 4GB capacity expands system memory for multitasking
  • DDR3 1600MHz speed delivers responsive data transfer
  • CL11 latency supports efficient command processing
  • 204-pin SODIMM form factor fits compatible laptop slots
  • Validated for Toshiba Satellite S55-A5279, S55-A5294, S55-A5295

Targeted upgrade for three Toshiba Satellite models

This 4 GB DDR3 SODIMM module is built for the Satellite S55-A5279, S55-A5294 and S55-A5295. It supplies a single 204-pin stick rated at 1600 MHz with CL11 timing. Buyers needing more than 4 GB per slot or a dual-channel kit should look elsewhere.

DDR3 1600 ceiling and two-slot maximum

The platform accepts DDR3 1600 (PC3 12800) memory up to a total of 16 GB across two sockets. Speed is fixed at 1600 MHz; faster DDR3 modules will downclock to this rate. ECC and registered DIMMs are not supported by the chipset.

Straightforward slot access with one caution

Installation requires opening the memory compartment and inserting the unbuffered 1.5 V stick until the clips engage. The 2Rx8 rank layout is standard for these laptops. The only common issue is seating the module fully before locking the clips.

Highlights

  • 4GB capacity expands system memory for multitasking
  • DDR3 1600MHz speed delivers responsive data transfer
  • CL11 latency supports efficient command processing
  • 204-pin SODIMM form factor fits compatible laptop slots
  • Validated for Toshiba Satellite S55-A5279, S55-A5294, S55-A5295

Specifications

BrandComputer Memory Solutions
ModelCM5126412800SODRH
Capacity4GB
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 SystemToshiba Satellite S55-A5279, S55-A5294, S55-A5295
Package Content1 Memory RAM Stick

Questions about this item

Should I choose the 4 GB single stick or add a second module for the 16 GB maximum?

The laptop supports two SODIMM sockets and up to 16 GB total, so adding a second 4 GB stick gives 8 GB; two 8 GB modules would reach the 16 GB limit.

What does the 1600 MHz speed deliver in daily use?

At DDR3 1600 with CL11 timing the module runs at the native bus speed of the Satellite S55-A5279, S55-A5294 and S55-A5295, providing standard throughput for everyday tasks.

Does the 204-pin DDR3 SO-DIMM interface limit the upgrade?

The 204-pin DDR3 SO-DIMM form factor matches the two memory sockets in the compatible Toshiba models, so the module fits without adapter or voltage change.

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