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Eight green DDR4 LRDIMM modules in static bags

OWC

OWC 1TB (8x128GB) DDR4 2933 CL21 4Rx4 LRDIMM ECC memory upgrade HP Z8 G4

SKU CH-FAY3-W3VN6

Eight 128 GB DDR4 2933 ECC load-reduced DIMMs totalling 1 TB for HP Z8 G4 workstations

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1TB capacity for large workloads with 8x128GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4 2933 CL21 at 1.2V for efficient performance
  • Backward compatible with 2133, 2400 and 2666MHz systems
  • Validated replacement for HP Z8 G4 part numbers

1TB ECC LRDIMM kit for HP Z8 G4

This kit delivers 1TB of DDR4 memory across eight 128GB modules built for the HP Workstation Z8 G4. Each stick is a 288-pin load-reduced DIMM with ECC and a 4Rx4 organisation. The design targets workstations and servers that require registered ECC memory and will not operate in standard desktop platforms.

1.2V operation at 2933 MT/s

Modules run at 1.2V and are rated for PC4-23400 at 2933 MT/s with CL21 latency. The specification also lists backward compatibility with 2133, 2400 and 2666 MT/s bus speeds. No heat spreaders are fitted, so airflow in the chassis handles thermal management during normal workloads.

Sustained load stability through ECC

Error-correcting code and the load-reduced architecture maintain data integrity and reduce electrical loading on the memory controller during extended compute tasks. The kit cannot be mixed with unbuffered or standard registered ECC DIMMs. Buyers who need non-ECC memory or desktop-form-factor modules should look elsewhere.

Puntos fuertes

  • 1TB capacity for large workloads with 8x128GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4 2933 CL21 at 1.2V for efficient performance
  • Backward compatible with 2133, 2400 and 2666MHz systems
  • Validated replacement for HP Z8 G4 part numbers

Especificaciones

BrandOWC
Part Number2L9D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemHP Workstation Z8 G4

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Preguntas sobre este artículo

How do I install the 8 LRDIMM modules in the HP Z8 G4 and what step is often missed?

Populate all eight DDR4 slots with the 288-pin LRDIMMs; the step often missed is verifying the BIOS recognises the full 1 TB at 2933 MHz and that no unbuffered or registered DIMMs remain in the system.

What maintenance or replacement will the 128 GB LRDIMMs need over time?

No routine maintenance is required; if a module fails it is covered by OWC's limited lifetime warranty and advanced replacement programme.

What limit appears first when the 1 TB kit runs sustained workloads?

The thermal limit of the HP Z8 G4 memory subsystem is reached before the DDR4 2933 CL21 1.2 V modules hit their electrical ceiling.

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