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Green rectangular circuit board with gold edge connectors and black memory chips on both sides

OWC

OWC 1R6D31R408GB 8GB DDR3 1600 ECC Registered RDIMM for HP Z620

SKU CH-7K6D-DX29H

An 8 GB DDR3 1600 ECC registered RDIMM validated for the HP Z620 workstation

  • Capacity8GB
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCYes

Capacity 8GB

  • ECC protection prevents data corruption in critical workloads
  • 8GB capacity expands Z620 memory for larger datasets
  • 1600MHz DDR3 speed matches factory specifications
  • 240-pin registered design ensures workstation compatibility
  • Replaces multiple HP part numbers for easy sourcing

HP Z620 ECC RDIMM upgrade

This OWC module adds 8GB of DDR3 1600 registered ECC memory to an HP Workstation Z620. It runs at PC3-12800 with CL11 latency and 1.5V. The single-rank 1Rx4 design uses 240-pin RDIMM form factor without a heat spreader. It replaces a long list of original HP part numbers.

Workstations and servers needing registered ECC

Suits administrators extending the life of a Z620 or building a replacement server on a budget. The module is not compatible with standard desktop computers and cannot be mixed with unbuffered memory. Buyers who need unbuffered DIMMs or consumer-platform memory should look elsewhere.

Registered ECC requirement decides fit

The single specification that decides suitability is the registered ECC RDIMM design. Only systems that explicitly support registered ECC DDR3 will accept this module; any platform requiring unbuffered or non-ECC memory will reject it. Verify the Z620 memory configuration before ordering.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • 8GB capacity expands Z620 memory for larger datasets
  • 1600MHz DDR3 speed matches factory specifications
  • 240-pin registered design ensures workstation compatibility
  • Replaces multiple HP part numbers for easy sourcing

Caractéristiques

BrandOWC
Part Number1R6D31R408GB
Capacity8GB
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemHP Workstation Z620

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Questions sur cet article

What is the maximum memory speed the HP Z620 can run this 1600 MHz DDR3 module at?

The module is rated at 1600 MHz (PC3-12800) and will operate at that speed if the Z620 memory controller supports it; otherwise it will down-clock to the highest supported frequency.

How much power does this 1.5 V ECC registered DIMM draw under continuous load?

At 1.5 V the module draws typical DDR3 registered DIMM power — a few watts per stick — and runs without a heat spreader, so case airflow is the main cooling factor.

Does the HP Z620 require any specific BIOS version or matched DIMM population rules for this 8 GB 1Rx4 registered module?

The Z620 must be configured for registered ECC memory; mixing with unbuffered DIMMs is not supported and population rules follow the workstation's service guide.

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