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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.

Besonderheiten

  • 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

Technische Daten

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

Fragen zu diesem Artikel

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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