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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM256645300SO 2GB DDR2 667 SODIMM Lenovo Ideapad S10-2 2957 5902 memory upgrade

SKU CH-D90C-GJCEJ

A 2 GB DDR2 667 SODIMM for upgrading Lenovo Ideapad S10-2 2957 and 5902 systems

  • Total capacity2 GB
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • 2 GB capacity extends multitasking headroom on supported netbooks
  • DDR2 667 speed matches PC2 5300 system bus timing
  • 200 pin SODIMM form factor fits the single memory slot
  • CL5 5-5-5 latency keeps data flow consistent
  • 8 V operation aligns with original module specification

System-specific DDR2 upgrade

This 2 GB module is built for the Lenovo IdeaPad S10-2 series, including the 2957 and 5902 models. It arrives as a single 200-pin SO-DIMM stick that matches the original 73P3846 specification. The memory is unbuffered, non-ECC and rated for 1.8 V operation. It is intended for owners of those specific netbooks who need to reach the maximum supported capacity.

Speed and timing match the platform

The stick runs at DDR2 667 (PC2 5300) with a CAS latency of CL5 and 5-5-5 timings. These figures are the exact values required by the S10-2 memory controller. Installing a module with a different speed grade or latency would prevent the system from booting or cause instability.

Steady operation without a heat spreader

The module uses major-brand chips in a 2Rx8 configuration and has no heat spreader. Under sustained workloads the chips rely on the netbook's internal airflow to stay within thermal limits. The design is validated for continuous use at the rated 1.8 V without throttling or errors.

How it compares

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

Price $9.99
Cheaper than about 97% of the 21,161 comparable items (median $397.99).
Total capacity 2 GB
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256645300SO
Total capacity2 GB
Product type200-Pin DDR2 SO-DIMM
Performance
Rated speedDDR2 667 (PC2 5300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL5
Memory timings5-5-5
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsLenovo Ideapad S10-2 Series 2957, 5902-Xxx
In the box
Included items1 Memory RAM Stick

Questions about this item

How does the 2 GB capacity work once installed in a Lenovo Ideapad S10-2?

The module provides the maximum 2 GB the S10-2 can address in its single SODIMM socket, giving the netbook its full memory ceiling for everyday tasks.

What does the DDR2 667 (PC2-5300) rating limit in practice?

The memory runs at 667 MHz with 5-5-5 timings at 1.8 V, so the system bus cannot push data faster than the PC2-5300 bandwidth ceiling.

Will the 200-pin SODIMM fit the S10-2 memory slot?

Yes — the 200-pin DDR2 SO-DIMM form factor matches the single expansion socket used across the 2957 and 5902 series netbooks.

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