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Green 200-pin DDR2 SO-DIMM memory module with black chips

Computer Memory Solutions

Computer Memory Solutions CM512646400SO 4GB DDR2 800 memory upgrade

SKU CH-BZ9R-4TGQS

4GB DDR2 800 SO-DIMM upgrade for Dell Latitude E6400 series, CL6 1.8V unbuffered

  • Total capacity4 GB
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB capacity adds headroom for multitasking on Dell Latitude E6400 series
  • DDR2 800 MHz speed matches the system's native memory bus
  • CL6 6-6-6 timing keeps latency low for responsive operation
  • 200-pin SO-DIMM form factor fits the laptop's memory slots directly
  • Unbuffered non-ECC design suits standard consumer notebook requirements

4 GB DDR2-800 SO-DIMM for Dell Latitude E6400

This 4 GB module is a 200-pin DDR2 SO-DIMM rated at 800 MHz (PC2-6400) with CL6 timings and 1.8 V operation. It is built for the Dell Latitude E6400, E6400 ATG and E6400 XFR notebooks that accept DDR2 memory. The single stick uses unbuffered, non-ECC chips in a 2Rx8 configuration.

Suits owners of the listed Latitude models.

Buyers upgrading a compatible Latitude E6400 series laptop can install this module directly. Systems that require a different DDR generation, ECC or registered DIMMs, a different pin count or a voltage other than 1.8 V cannot use this part. Laptops limited to 2 GB per slot or a 4 GB total ceiling will not accept the full capacity.

200-pin DDR2 SO-DIMM form factor decides fit

The module's 200-pin SO-DIMM edge connector and DDR2 signalling are the single specification that determines whether it will seat and function. Only notebooks designed for 200-pin DDR2 SO-DIMMs at 800 MHz can use this upgrade.

How it compares

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

Price $52.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $13.25 per GB
Pricier than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512646400SO
Total capacity4 GB
Product type200-Pin DDR2 SO-DIMM
Performance
Rated speedDDR2 800 (PC2 6400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL6
Memory timings6-6-6
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsDell Latitude E6400, E6400 Atg, E6400 Xfr
In the box
Included items1 Memory RAM Stick

Questions about this item

What speed does the DDR2 800 interface run at in practice?

The module operates at 800 MHz, matching the PC2 6400 rating for DDR2 SO-DIMM memory.

What physical slot and pin count does this 200-Pin DDR2 SO-DIMM require?

It fits a standard 200-pin DDR2 SO-DIMM socket, as used in the compatible Dell Latitude models.

How is the stick installed and which step is often missed?

Insert the module at an angle until the gold contacts are fully seated, then press down firmly until both side clips click into place.

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