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Green printed circuit board DDR2 memory module with black chips and gold edge connectors

Kingston Technology Corp.

Kingston Technology Corp. KVR667D2D4P5/4G 4GB DDR2 667 ECC Registered memory upgrade

SKU CH-H99E-94CDX MPN KVR667D2D4P5/4G

4GB DDR2 667 ECC Registered server memory module with CL5 latency and 1.80V operation

  • Capacity4GB
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Voltage1.80V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ECC Registered design protects data integrity in servers
  • DDR2 667 speed delivers up to 5.3GB/s bandwidth
  • 4GB capacity supports memory-hungry workloads
  • Registered buffering handles high-density configurations
  • CL5 latency at 1.80V for stable operation

Server Memory Upgrade

This 4 GB DDR2 module runs at 667 MHz with CL5 latency and 1.80 V. It is an ECC registered dual-rank DIMM built for server and workstation platforms that require registered memory.

Suited For And Limits

It fits systems designed for PC2 5300 registered ECC modules and 24/7 operation where error correction is mandatory. Buyers whose boards only accept unbuffered non-ECC memory cannot use this part.

Deciding Specification

The registered ECC design with dual-rank organisation is the single factor that decides compatibility; only motherboards that explicitly support registered ECC DDR2 will recognise and run this module.

Points forts

  • ECC Registered design protects data integrity in servers
  • DDR2 667 speed delivers up to 5.3GB/s bandwidth
  • 4GB capacity supports memory-hungry workloads
  • Registered buffering handles high-density configurations
  • CL5 latency at 1.80V for stable operation

Caractéristiques

BrandKingston
SeriesValueRAM
ModelKVR667D2D4P5/4G
Capacity4GB
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Voltage1.80V
ECCYes
Buffered/RegisteredRegistered
FeaturesDual Rank
Poids d’expédition0.04 kg
Dimensions du colis169 × 55 × 14 mm

Questions sur cet article

How do I install the KVR667D2D4P5/4G DDR2 module and which step is often missed?

Align the notch with the DDR2 slot key, press firmly until both retention clips click, then verify the system recognises the full 4 GB capacity — the step most often missed is confirming the registered ECC module is seated in a slot that supports registered memory.

What maintenance or replacement will this 4 GB DDR2 ECC registered module need later?

No routine maintenance is required; the module is solid-state. Replacement is only necessary if a memory test reports uncorrectable ECC errors or the server fails to boot with the module installed.

What limit appears first when this DDR2 667 CL5 1.80 V module runs under sustained load?

The 5.3 GB/s bandwidth ceiling of the PC2 5300 interface is reached before thermal or voltage limits, capping sustained throughput for data-hungry server workloads.

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