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Green circuit board memory stick with black chips and gold edge contacts

Computer Memory Solutions

Computer Memory Solutions 2GB DDR2 667MHz SODIMM memory upgrade for Acer Aspire One D255-2331

SKU CH-FDDB-4988X

A 2 GB DDR2 667 MHz SODIMM upgrade for the Acer Aspire One D255-2331 netbook

  • Total capacity2 GB
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • 2GB capacity lets the Acer Aspire One D255-2331 reach its maximum memory
  • DDR2 667MHz speed matches the netbook's PC2-5300 specification
  • 200-pin SODIMM form factor fits the single memory slot directly
  • Unbuffered non-ECC design works with the standard consumer platform
  • 8V operation keeps power draw low for longer battery life

Targeted netbook upgrade

This 2GB DDR2 SO-DIMM is built specifically for the Acer Aspire One D255-2331 10.1" netbook. It fills the single memory slot to the system maximum of 2GB. Owners of this exact model can restore responsiveness for everyday browsing and office tasks. It is not for users needing more capacity or a different form factor.

Passive low-voltage operation

The module runs at 1.8V with CL5 5-5-5 timings and no heat spreader. As an unbuffered non-ECC stick it draws minimal power and produces no fan noise because it has no active cooling. Thermal load stays low inside the compact netbook chassis. Builders working on higher-power platforms should look elsewhere.

Single-stick simplicity

The package contains one 200-pin SODIMM rated at 667MHz PC2-5300 using major-brand chips. Installation is a direct slot-in with no extra cables, drivers or configuration software. The lifetime warranty from Computer Memory Solutions covers the stick itself. Buyers wanting dual-channel kits or RGB lighting will not find them here.

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).

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 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 systemsAcer Aspire One D255-2331 10.1 in Netbook
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install the 200-pin SODIMM module in my Acer Aspire One D255-2331 netbook, and what step is often missed?

Power off the netbook and remove the battery, then insert the module at a 30-degree angle into the SODIMM slot until the gold contacts are hidden, and press down firmly until both side clips click into place; the step often missed is fully seating the module before locking the clips.

What maintenance or replacement will this 2GB DDR2 667MHz memory need over time?

No routine maintenance is required; the module has no heat spreader and runs at 1.8V, so keep the netbook vents clear of dust to maintain airflow, and replace the stick only if memory errors appear or the system fails to boot.

What limit appears first when this memory runs under sustained load in the Acer Aspire One D255-2331?

The system supports a maximum of 2GB in a single socket, so capacity is the first limit; the DDR2-667 speed and CL5 timing are fixed, and the netbook chipset will not recognise more than 2GB regardless of workload.

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