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Two green DDR2 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions CM256645300SO 4GB (2x2GB) DDR2 667 SO-DIMM Dell Inspiron E1405

SKU CH-5RAY-TK7KY

Two 2 GB DDR2 667 SO-DIMM modules add 4 GB to a Dell Inspiron E1405 notebook

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • 4GB kit upgrades Inspiron E1405 performance
  • 2×2GB DDR2 667 modules install in both slots
  • PC2-5300 CL5 timing matches system specs
  • 8V unbuffered non-ECC design fits notebook
  • 200-pin SO-DIMM form factor ensures correct fit

System-specific DDR2 upgrade

This 4 GB kit (2 × 2 GB) is built for the Dell Inspiron E1405 notebook. It uses 200-pin DDR2 SO-DIMM modules rated at 667 MHz (PC2 5300) with CL5 timing and 1.8 V operation. The unbuffered, non-ECC design matches the factory memory specification.

Replaces original DDR2 667 modules

Swapping out slower or smaller factory sticks restores the notebook’s full 4 GB limit across its two slots. The jump is worthwhile when the system currently runs with 1 GB or 2 GB and suffers from constant paging during everyday tasks.

Fits the two SO-DIMM slots directly

No heat spreader means the modules clear the tight laptop chassis without modification. The kit frees both memory sockets for a matched pair, eliminating mixed-capacity configurations that can reduce stability.

How it compares

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

Price $15.99
Cheaper than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.00 per GB
Cheaper than about 84% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256645300SO
Total capacity4 GB (2 × 2 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 systemsDell Inspiron E1405 Notebook
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 200-pin DDR2 SO-DIMM modules fit the Dell Inspiron E1405 memory slots?

Yes, each module is a 200-pin DDR2 SO-DIMM, the exact form factor required by the Inspiron E1405 notebook.

What is the correct way to seat the two 2GB sticks so the laptop recognises the full 4GB?

Insert each stick at an angle into a slot, press down firmly until the side clips click, and use both slots for the 4GB total.

Does the 1.8 V DDR2 memory need any periodic cleaning or component replacement over time?

No, the unbuffered modules have no moving parts or heat spreader and require no scheduled maintenance.

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