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Two green DDR3 SO-DIMM sticks, black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM512648500SODRH 8GB (2 x 4GB) DDR3 1066 memory upgrade

SKU CH-GKWW-JTB5B

8GB dual-channel DDR3-1066 SO-DIMM kit for Toshiba Satellite C655D-S5041, C655D-S5042 and C655D-S5043

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8GB dual-channel kit boosts multitasking on compatible Toshiba Satellite models
  • DDR3 1066 speed with CL7 timing delivers responsive system performance
  • 204-pin SO-DIMM form factor fits laptop memory slots directly
  • Unbuffered non-ECC design matches original factory specifications exactly
  • Two 4GB modules enable full 8GB capacity on 64-bit systems

System-specific DDR3 upgrade

This 8 GB kit contains two 4 GB SO-DIMM modules built for Toshiba Satellite C655D-S5041, C655D-S5042 and C655D-S5043 notebooks. It is aimed at owners of those models who want to reach the 8 GB maximum supported by a 64-bit operating system.

DDR3 1066 SO-DIMM limits

The 204-pin DDR3 interface caps transfer rate at 1066 MHz with CL7 timing at 1.5 V. The laptop provides only two memory sockets so total capacity cannot exceed the installed pair.

2Rx8 unbuffered non-ECC

Each module uses a 2Rx8 organisation without error correction or registered buffering. This exact configuration is required for the Satellite C655D series to recognise the memory at boot.

How it compares

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

Price $36.99
Cheaper than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.62 per GB
Cheaper than about 81% 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 nameCM512648500SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsToshiba Satellite C655D-S5041, C655D-S5042, C655D-S5043
In the box
Included items2 Memory RAM Sticks

Questions about this item

Should I buy the 2 x 4 GB kit or look for a single 8 GB stick?

The kit supplies two 4 GB SO-DIMMs, filling both slots in the C655D-S5041, C655D-S5042 and C655D-S5043 for the full 8 GB capacity a 64-bit OS can address.

Will the 1066 MHz rating actually run at that speed in my Satellite?

The modules are rated DDR3-1066 (PC3-8500) with CL7 timing; the notebook's memory controller will set the final speed, but the sticks are validated for 1066 MHz operation in the listed models.

Is PC3-8500 the same as the PC3-10600 mentioned in the description?

No — PC3-8500 corresponds to DDR3-1066, while PC3-10600 corresponds to DDR3-1333; this kit is the PC3-8500 / 1066 MHz version.

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