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Two green DDR2 SODIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions CM256646400SO 4GB (2x2GB) DDR2 800MHz SODIMM for Dell Latitude D830 memory upgrade

SKU CH-EJPA-SJGCN

A 4 GB DDR2 SODIMM kit (2 × 2 GB, 800 MHz, CL6) validated for Dell Latitude D830 notebooks

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB dual-channel kit boosts multitasking on Dell Latitude D830
  • DDR2 800MHz PC2-6400 speed matches factory specification
  • 200-pin SODIMM form factor fits laptop memory slots directly
  • CL6 6-6-6 timing at 1.8V delivers stable low-latency operation
  • Two 2Rx8 unbuffered modules install without configuration changes

Dell Latitude D830 upgrade kit

This kit provides 4 GB of DDR2 memory in a matched pair of 200-pin SO-DIMMs built for the Dell Latitude D830 notebook. Each module runs at 800 MHz with a CAS latency of CL6 and operates at the standard 1.8 V for DDR2. The unbuffered, non-ECC design matches the original specification for this platform.

Thermals and power in daily use

The modules have no heat spreader and draw only the standard DDR2 voltage, so they add minimal heat inside the chassis. Power consumption stays within the normal range for PC2-6400 SO-DIMMs, keeping fan activity and noise at typical levels for the Latitude D830. No extra cooling is required for normal workloads.

What the bundle changes

The two-stick package enables dual-channel operation on the two available sockets, doubling memory bandwidth over a single module. A 64-bit operating system is required to address the full 4 GB capacity. The kit is guaranteed compatible with the Latitude D830 and carries a lifetime warranty from the manufacturer when purchased directly.

How it compares

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

Price $12.99
Cheaper than about 95% 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 $3.25 per GB
Cheaper than about 88% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256646400SO
Total capacity4 GB (2 × 2 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 D830 Notebook
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 200-pin DDR2 SODIMM modules in my Dell Latitude D830, and what step is often missed?

Power off the notebook and remove the battery. Open the memory door on the underside. Insert each 200-pin module at a 30-degree angle until the gold contacts disappear, then press down firmly until both side clips click. The step often missed is not pressing hard enough to engage both clips, leaving the module loose.

What maintenance or replacement will this 4GB kit need over time?

No routine maintenance is required for these unbuffered DDR2 modules. They have no heat spreader, so keep the laptop vents clear of dust to prevent overheating. Replacement is only needed if a module fails or if you upgrade to the platform maximum of 8GB across the two sockets.

What limit appears first during sustained heavy workloads on this DDR2 800MHz memory?

The 800MHz bus speed and CL6 latency set the throughput ceiling. Under sustained load the memory bandwidth saturates before the 1.8V voltage or 2Rx8 rank organisation become bottlenecks, capping performance in memory-intensive tasks.

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