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Two green DDR2 DIMM modules with gold contacts

Computer Memory Solutions

Computer Memory Solutions 2GB DDR2 400MHz 2x1GB Kit

SKU CH-ZNKR-7N4EB

A 2GB kit of two 1GB DDR2 400MHz unbuffered DIMMs with CL3 timing and 1.8V operation

  • Capacity1GB
  • SpeedDDR2 400 (PC2 3200)
  • CAS Latency3
  • Timing3-3-3
  • Voltage1.8V
  • ECCNo
  • 2 GB total capacity in a matched 2-piece kit
  • DDR2-3200 speed at 400 MHz for responsive system performance
  • Low CL3 3-3-3 timing reduces latency
  • Unbuffered non-ECC 240-pin DIMM fits standard desktop slots
  • 8 V operation keeps power draw modest

2 GB DDR2 Kit for Legacy Systems

This kit provides two 1 GB unbuffered DIMMs rated at DDR2 400 (PC2 3200) with CL3 3-3-3 timing and 1.8 V operation. It targets owners of older desktops or workstations that require 240-pin non-ECC memory to restore or expand system memory.

Upgrade from Single Modules or Lower Capacity

Replacing a single 1 GB stick with this matched pair enables dual-channel operation on compatible boards, improving throughput for everyday tasks. The jump is worthwhile when the platform supports 2Rx8 organisation and the BIOS recognises the full 2 GB without down-clocking.

Fits 240-Pin DIMM Slots in Matched Pairs

Each module uses the standard 240-pin DDR2 interface and installs in pairs to satisfy dual-channel requirements. The kit frees the builder from sourcing individual sticks of identical specification and avoids the instability that can arise from mixing modules of different rank or timing.

Points forts

  • 2 GB total capacity in a matched 2-piece kit
  • DDR2-3200 speed at 400 MHz for responsive system performance
  • Low CL3 3-3-3 timing reduces latency
  • Unbuffered non-ECC 240-pin DIMM fits standard desktop slots
  • 8 V operation keeps power draw modest

Caractéristiques

Part NumberCM128643200D2DIMM
Capacity1GB
SpeedDDR2 400 (PC2 3200)
CAS Latency3
Timing3-3-3
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset

Questions sur cet article

Will the 240-pin DIMM modules fit my desktop's DDR2 memory slots?

Yes, each 1 GB module uses the standard 240-pin DDR2 DIMM form factor, so they install directly into any desktop DDR2 slot keyed for 1.8 V operation.

What is the correct way to install the matched pair, and what mistake should I avoid?

Insert both modules into the same-coloured DIMM slots to enable dual-channel mode; the common error is placing them in alternating colours, which forces single-channel operation.

When might a module from this kit need replacement, and what coverage exists?

A module would only need replacement if a manufacturing defect appears, which is covered by the maker's limited lifetime exchange or repair warranty against such defects.

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