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Sixteen bare green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM 256GB (16x16GB) DDR5 4800 CL40 1.1V ECC RDIMM HP Z8 G5 Fury G5 memory upgrade

SKU CH-SHQT-JJPWX

A 256 GB kit of sixteen 16 GB DDR5 ECC registered DIMMs running at 4800 MT/s CL40 and 1.1 V, validated for HP Z8 G5 and Z8 Fury G5 workstations

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from 16 modules of 16 GB each
  • DDR5 4800 speed rated at PC5-38400 for high bandwidth
  • ECC registered design detects and corrects single-bit errors
  • Low 1.1 V operation reduces power draw and heat
  • Qualified for HP Z8 G5 and Z8 Fury G5 workstations

HP Z8 G5 Fury G5 upgrade

This 256GB kit contains sixteen 16GB DDR5 registered DIMMs built for HP Z8 G5 and Z8 Fury G5 workstations. Each module runs at 4800MHz with CL40 latency at 1.1V. ECC and register buffering protect data integrity in professional workloads.

DDR5 4800 registered ECC limits

Registered DDR5 at 4800MHz requires a platform that supports ECC RDIMMs and the PC5-38400 data rate. The 288-pin form factor fits only DDR5 server or workstation boards. Consumer desktops and laptops cannot use these modules.

256GB capacity for large datasets

Sixteen ranks of 1Rx8 memory provide ample headroom for virtualisation, simulation and in-memory databases. Workloads that exceed 256GB will need additional DIMM slots or higher-density modules not included in this kit.

How it compares

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

Price $6,305.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (16 × 16 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $24.63 per GB
Pricier than about 69% 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 numberMR38400-618K16
Total capacity256 GB (16 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items256 GB (16 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Should I pick the 256GB kit with sixteen 16GB modules or a smaller capacity for my HP Z8 G5 Fury G5?

The 256GB kit fills all sixteen slots with 16GB RDIMMs, giving maximum registered ECC capacity for heavy workloads; choose a smaller kit only if you need fewer modules or plan to mix capacities later.

What does the DDR5 4800 CL40 rating deliver in an actual HP Z8 G5 Fury G5 workstation?

The modules run at 4800 MT/s with CAS latency 40 at 1.1 V, providing registered ECC throughput that matches the platform's native DDR5 4800 specification for stable server-class performance.

How does the 288-pin DDR5 RDIMM interface limit speed or capacity in this system?

The 288-pin registered DDR5 form factor is keyed for the Z8 G5 Fury G5 memory slots, capping operation at the platform's supported 4800 MT/s and allowing the full 256GB kit across all channels.

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