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Green 204-pin DDR3 SO-DIMM stick with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM5126412800SODRH 4GB DDR3 1600MHz memory upgrade

SKU CH-CZ7D-AHB33

4GB DDR3 1600MHz SO-DIMM upgrade for Toshiba Satellite C55 models, CL11 1.5V unbuffered

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity adds responsive multitasking headroom for compatible Toshiba Satellite models
  • DDR3 1600MHz speed delivers PC3-12800 bandwidth for everyday workloads
  • CL11 11-11-11 timing keeps latency low during data access
  • 5V unbuffered SODIMM installs directly into 204-pin laptop slots
  • 2Rx8 major-brand chipset ensures stable operation without ECC overhead

4GB DDR3 1600MHz SODIMM for Toshiba Satellite

This 4GB DDR3 1600MHz SO-DIMM module is built for Toshiba Satellite C55-C5207S, C55-C5206S and C55-A5390 laptops. It runs at PC3-12800 speed with CL11 latency at 1.5V. The unbuffered, non-ECC stick uses a 204-pin interface and major-brand chips.

Suits owners of the listed Toshiba models needing

Buyers whose laptops are not in the compatibility list should verify fitment before ordering. Systems requiring ECC or registered memory cannot use this module. Laptops limited to DDR3L 1.35V operation may not be compatible with the 1.5V specification.

The 204-pin DDR3 SO-DIMM form factor decides fitment

Only notebooks accepting 204-pin DDR3 SO-DIMMs at 1600MHz can install this stick. The 2Rx8 rank and 11-11-11 timing are fixed by the module design. Match these exact specifications to your system manual for guaranteed operation.

How it compares

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

Price $10.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SODRH
Total capacity4 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 systemsToshiba Satellite C55-C5207S, C55-C5206S, C55-A5390
In the box
Included items1 Memory RAM Stick

Questions about this item

Should I pick this 4 GB module or a larger capacity for my Satellite C55-C5207S?

The laptop accepts up to 16 GB across two slots, so this 4 GB stick works alone or paired with another for 8 GB or 16 GB total.

What does the DDR3-1600 (PC3-12800) rating mean once installed?

The module runs at 1600 MHz with CL11 timing at 1.5 V, delivering the standard DDR3-1600 data rate your chipset expects.

Does the 204-pin SODIMM interface limit anything in my C55-A5390?

It fits the 204-pin DDR3 slots on the C55-A5390; the board caps speed at DDR3-1600, so the module operates at its rated frequency.

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