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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 2GB DDR2 667MHz CL5 200-Pin SO-DIMM 1.8V Unbuffered 2Rx8 CM256645300SO

SKU CH-C9M4-H8X4A

2GB DDR2 667MHz SO-DIMM module upgrades compatible Asus Eee PC netbooks with CL5 timing

  • Total capacity2 GB
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • 2GB capacity expands netbook memory to the supported maximum
  • DDR2 667MHz CL5 timing matches the Atom bus speed exactly
  • 200-pin SO-DIMM form factor fits the single Eee PC slot
  • 8V unbuffered non-ECC design meets the platform specification
  • Guaranteed compatible with listed Asus Eee PC 1000 series models

2GB DDR2 SO-DIMM for Asus Eee PC 1000 series

This 2GB DDR2 667MHz CL5 module uses a 200-pin SO-DIMM form factor designed for the Asus Eee PC 1000H, 1000HA, 1000HD and 1000HE netbooks. It operates at 1.8V with unbuffered, non-ECC 2Rx8 organisation. The single stick provides the maximum supported memory for these systems.

Single stick enables full 2GB capacity

The package contains one memory stick that fills the sole expansion socket and raises installed memory to 2048MB. Because the system supports only one socket, this module delivers the total allowable upgrade without requiring a matched pair. BIOS must be updated after installation so the operating system recognises the full 2GB rather than reporting 0.99GB.

DDR2 667MHz bus limits throughput

The Intel Atom processor runs the memory bus at 667MHz, so faster DDR2 modules will still operate at this ceiling. The PC2-5300 rating reflects the theoretical peak bandwidth of this interface. Builders needing more than 2GB of memory or a newer memory generation cannot use this platform.

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 systemsAsus/Asmobile EeeHd Netbook
In the box
Included items1 Memory RAM Stick

Questions about this item

Will the 200-pin DDR2 SO-DIMM slot need any maintenance or replacement over time?

The SO-DIMM slot itself requires no maintenance; the module is a solid-state component with no moving parts and carries a limited lifetime warranty from Computer Memory Solutions.

What limit appears first when the module runs at 667 MHz continuously in an Eee PC 1000HD?

The Intel Atom processor caps the memory bus at 667 MHz, so the CPU memory controller is the bottleneck before the DDR2-5300 rating is reached.

How much heat and power does the 1.8 V unbuffered stick produce during all-day use?

At 1.8 V with no heat spreader and no ECC logic, the module draws minimal power and runs cool enough for the netbook’s passive cooling.

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