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Eight green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 128GB (8x16GB) DDR5 4800 CL40 ECC RDIMM for HP Z8 G5 Fury G5 memory upgrade

SKU CH-NG3F-J1KFC

128 GB registered DDR5 kit with eight 16 GB modules at 4800 MT/s, CL40, 1.1 V, ECC for HP Z8 G5 and Fury G5 workstations

  • Capacity128GB (8 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB total capacity across eight 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high bandwidth
  • CL40 CAS latency tuned for stable operation
  • ECC registered RDIMM design protects data integrity
  • 1 V operating voltage reduces power draw

HP Z8 G5 and Fury G5 memory kit

This 128GB kit uses eight 16GB DDR5 RDIMM modules built for the HP Z8 G5 and Fury G5 workstations. Registered ECC operation protects data integrity in professional workloads. The modules run at 1.10V and carry a CL40 latency rating. IT teams choose this kit to expand memory capacity on supported HP platforms.

DDR5 4800 registered ECC limits

The DDR5 4800 interface tops out at 4800 MT/s with a PC5-38400 bandwidth ceiling. Registered buffering adds one cycle of command delay, which caps maximum frequency headroom. ECC parity bits consume part of the data bus, reducing raw throughput compared to non-ECC alternatives. Systems locked to the JEDEC base speed cannot exceed this transfer rate.

128GB capacity and headroom

Eight ranks of 1Rx8 chips deliver 128GB total, letting large datasets stay resident in memory. The 1.10V supply keeps power draw predictable under sustained load. Workloads that exceed 128GB will spill to storage, adding latency. The 288-pin form factor fits only DDR5 RDIMM slots, so boards with fewer slots cannot use the full kit.

Highlights

  • 128 GB total capacity across eight 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high bandwidth
  • CL40 CAS latency tuned for stable operation
  • ECC registered RDIMM design protects data integrity
  • 1 V operating voltage reduces power draw

Specifications

BrandNEMIX RAM
SeriesHPE Server/Workstation Compatible Series Memory
ModelHPE DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K8
Capacity128GB (8 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemHPE
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (8X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I choose the 8x16GB kit or a different capacity for my HP Z8 G5 Fury G5?

The 8x16GB kit provides 128GB total across all eight slots, matching the workstation's maximum supported DIMM count for full-channel bandwidth.

What does the 4800MHz speed mean once installed in the HP Z8 G5 Fury G5?

The modules run at DDR5 4800 (PC5-38400) with CL40 latency, delivering the rated throughput the platform's memory controller supports natively.

Is the 288-pin RDIMM interface compatible with the HP Z8 G5 Fury G5 memory slots?

Yes, the 288-pin DDR5 RDIMM form factor fits the workstation's registered DIMM slots, and the 1Rx8 organisation is validated for the platform.

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