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Two green DDR5 RDIMM modules, bare circuit boards with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 2Rx8 CL40 ECC RDIMM HP Z8 G5 Fury G5 memory upgrade

SKU CH-YEFY-YN70J

64 GB DDR5 kit of two 32 GB registered ECC modules at 4800 MT/s, CL40, 1.1 V, 288-pin for HP Z8 G5 and Fury G5 workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB kit expands workstation capacity for large datasets
  • DDR5 4800 speed with CL40 latency supports high-throughput workloads
  • ECC registered design detects and corrects memory errors automatically
  • 1 V operation reduces power draw under sustained load
  • Validated for HP Z8 G5 and Z8 Fury G5 workstations

HP Z8 G5 workstation memory kit

This 64 GB kit contains two 32 GB DDR5 4800 registered ECC modules built for the HP Z8 G5 and Z8 Fury G5 workstations. Each module runs at 1.1 V with CL40 latency and a 2Rx8 organisation. The registered design adds a buffer that helps maintain signal integrity on heavily populated motherboards.

Upgrade from slower or smaller DDR5 ECC RDIMM

If the system currently uses lower-capacity or lower-speed registered ECC DDR5, this kit doubles the capacity per slot and raises the data rate to PC5-38400. The jump is worthwhile when workloads such as large dataset analysis, virtualisation or rendering exceed the existing memory ceiling. Buyers who need non-ECC unbuffered memory or a different form factor should look elsewhere.

Check motherboard slot count and population rules

Verify that the workstation has free 288-pin DDR5 RDIMM slots and consult the HP service manual for the approved population order. The kit ships as a matched pair, so both modules should be installed together to preserve dual-channel operation. Ensure the platform firmware is current before installation.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,826.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.55 per GB
Pricier than about 80% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineHPE Server/Workstation Compatible Series Memory
Model nameHPE DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the HP Z8 G5 Fury G5 memory slots?

Yes, the 288-pin DDR5 RDIMM form factor matches the workstation's DIMM slots for this platform.

What BIOS setting should be checked after installing the 2Rx8 ECC registered modules?

Ensure the memory mode is set to ECC enabled and the speed is configured for DDR5 4800 operation.

When should the 64GB kit be tested for correct ECC operation?

Run a full memory diagnostic after installation and whenever system instability occurs to verify ECC correction is active.

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