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Green 240-pin DDR3 ECC RDIMM module with black chips

A-Tech

A-Tech 4GB DDR3 1600 ECC RDIMM 1Rx4 server RAM

SKU CH-91H9-NTDG6

4 GB DDR3 1600 ECC registered DIMM for HP 647648-071 and 676489-171 servers

  • Capacity4GB
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ECC protection prevents data errors in servers
  • Registered design stabilises signal integrity for 240-pin DIMMs
  • 1600 MHz DDR3 speed matches PC3-12800 spec
  • 5 V standard voltage ensures broad platform compatibility
  • Replaces HP part numbers 647648-071 and 676489-171

4GB DDR3 1600 ECC RDIMM

This 4GB registered DIMM runs at DDR3 1600 with CL11 latency and 1.50V standard voltage. It is built for server and workstation platforms that require ECC error correction. The single-rank 1Rx4 layout uses major-brand chips on a 240-pin module. It serves administrators who need reliable memory for supported HP systems.

Replaces HP 647648-071 and 676489-171

The module matches the HP part numbers 647648-071 and 676489-171 for direct replacement. Upgrading makes sense when a system shows memory errors, runs near capacity limits, or needs ECC protection for data integrity. It is not for platforms that only accept unbuffered UDIMMs or non-ECC memory.

Fits 240-pin DDR3 registered slots

Installation requires a motherboard with DDR3 RDIMM slots that support 1.50V registered modules and 1Rx4 organisation. The registered buffer reduces electrical load on the memory controller, freeing headroom for larger populations. It will not work in boards limited to UDIMM or SO-DIMM form factors.

Points forts

  • ECC protection prevents data errors in servers
  • Registered design stabilises signal integrity for 240-pin DIMMs
  • 1600 MHz DDR3 speed matches PC3-12800 spec
  • 5 V standard voltage ensures broad platform compatibility
  • Replaces HP part numbers 647648-071 and 676489-171

Caractéristiques

BrandA-Tech
Capacity4GB
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Does this DDR3 DIMM need a 240-pin registered slot and 1.5 V power?

Yes, it is a 240-pin DDR3 RDIMM that runs at 1.5 V and requires a registered ECC slot.

How do I install the module and what step is often missed?

Align the notch with the key in the 240-pin slot, press firmly until both clips lock, then verify the server BIOS detects 4 GB at 1600 MHz.

When should the 4 GB ECC RDIMM be replaced or checked?

Run a memory diagnostic if the server logs corrected ECC errors or shows unexplained crashes; replace the module if errors persist after reseating.

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