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Green 204-pin DDR3 SODIMM module with black chips

Computer Memory Solutions

Computer Memory Solutions CM256648500SO 2GB DDR3 1066 CL7 SODIMM for Acer Aspire One D257-1814 memory upgrade

SKU CH-PSXT-DQ5KS

2 GB DDR3 1066 CL7 SODIMM upgrades the Acer Aspire One D257-1814 netbook to its maximum memory

  • Total capacity2 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • Guaranteed fit for Acer Aspire One D257-1814
  • 2GB DDR3 1066 MHz CL7 boosts responsiveness
  • 204-pin SODIMM installs in the single expansion slot
  • 5V unbuffered design runs cool without a spreader
  • Major-brand chips backed by CMS lifetime warranty

System-Specific 2GB DDR3 Upgrade

This 204-pin SODIMM module delivers 2GB of DDR3 1066 memory for the Acer Aspire One D257-1814. It operates at 1.5V with CL7 latency and unbuffered 1Rx8 organisation. The stick is designed as a direct replacement for the netbook's original memory.

Single-Socket Capacity Limit

The Acer Aspire One D257-1814 provides only one memory socket and supports a maximum of 2GB total. Reaching that ceiling requires removing any existing 1GB module before installing this 2GB stick. No further expansion is possible beyond this single module.

Verify Slot Count and Existing Module

Before ordering, confirm your netbook uses the D257-1814 chassis and check whether a 1GB module currently occupies the sole SODIMM slot. The upgrade depends on swapping that module rather than adding to it. Ensure the system accepts DDR3 1066 unbuffered memory.

How it compares

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

Price $8.99
Cheaper than about 98% 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 $4.50 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 nameCM256648500SO
Total capacity2 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsAcer Aspire One D257-1814 (Aod257-1814)
In the box
Included items1 Memory RAM Stick

Questions about this item

Is the 2GB DDR3-1066 CL7 SODIMM the right capacity for my Acer Aspire One D257-1814?

Yes, this 2GB module matches the maximum supported memory for the Acer Aspire One D257-1814. To reach the 2GB limit you must remove the existing 1GB stick and install this single 2GB SODIMM in the sole slot.

What real-world bandwidth does the PC3-8500 rating deliver in this laptop?

PC3-8500 denotes a peak transfer rate of 8500 MB/s at 1066 MHz. In the Acer Aspire One D257-1814 the single-channel memory controller will utilise this bandwidth for integrated graphics and system tasks.

Does the 204-pin DDR3 SO-DIMM interface limit the upgrade path for this netbook?

The 204-pin DDR3 SO-DIMM slot accepts only DDR3 modules. Because the board has one socket and a 2GB ceiling, this 2GB stick is the final upgrade; no higher-capacity or newer-generation memory can be used.

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