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Green rectangular circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM5126412800SOSRH 4GB DDR3 1600MHz SODIMM

SKU CH-RA2P-55FAZ

4GB DDR3 1600MHz SODIMM module for Toshiba Satellite P755 series laptops

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity expands multitasking headroom on compatible Toshiba Satellite P755 models
  • 1600MHz DDR3 speed matches PC3-12800 spec for responsive system performance
  • CL11 11-11-11 timings at 1.5V deliver stable operation without voltage tuning
  • 204-pin SODIMM form factor fits the two memory sockets in P755-S5269, P755-S5320, P755-3DV20
  • Major-brand chipset on unbuffered 1Rx8 modules ensures reliable compatibility guaranteed by CMS

Compatible upgrade for Toshiba Satellite P755

This 4GB DDR3 SODIMM module is built for the Toshiba Satellite P755-S5269, P755-S5320 and P755-3DV20 notebooks. It installs in a 204-pin slot and runs at 1600MHz with CL11 timing. The unbuffered, non-ECC design matches the original specification for these systems.

Suits owners restoring factory capacity

It fits users replacing a failed stick or filling a single empty socket in the supported models. The 1Rx8 organisation and 1.5V voltage align with the platform requirements. Buyers needing more than 4GB per module or a dual-channel kit should look elsewhere, as this is a single 4GB piece.

Handles everyday workloads within 8GB system limit

The module operates at PC3-12800 speed to support typical office and browsing tasks. The platform maximum is 8GB across two sockets, so a second identical stick would reach that ceiling. Workloads demanding larger memory footprints or higher frequencies will exceed the capability of this upgrade.

How it compares

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

Price $11.99
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 $3.00 per GB
Cheaper than about 90% 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 nameCM5126412800SOSRH
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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsToshiba Satellite P755-S5269, P755-S5320, P755-3DV20
In the box
Included items1Memory Ram Stick

Questions about this item

Does my Toshiba Satellite P755-S5269 need a 204-pin DDR3 SO-DIMM slot to use this module?

Yes, this CM5126412800SOSRH module is a 204-pin DDR3 SO-DIMM rated at 1600 MHz and 1.5 V, so the laptop must provide a matching DDR3 SO-DIMM socket.

Will this 1600 MHz stick down-clock to 1333 MHz if I keep the original PC3-10600 module in the second socket?

The module runs at 1600 MHz (PC3-12800) with CL11 timing; when paired with a 1333 MHz stick the system will operate both at the lower 1333 MHz speed.

How can I verify the stick is recognised at 1600 MHz with 11-11-11 timings after installation?

Check the memory tab in CPU-Z or the BIOS memory information screen; it should report 1600 MHz, CL11, 1.5 V and 4 GB capacity for this module.

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