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Eight bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 512GB (8x64GB) DDR5 4800 CL40 ECC RDIMM for HP Z8 G5 Fury G5 memory upgrade

SKU CH-YJGA-S3K3G

Eight 64 GB DDR5 4800 ECC registered DIMMs deliver 512 GB at CL40 and 1.1 V for HP Z8 G5 and Fury G5 workstations

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity across eight 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design with CL40 latency for data integrity
  • 1 V operating voltage reduces power draw
  • 288-pin RDIMM form factor built for HP Z8 G5 and Fury G5

512GB DDR5 ECC RDIMM Kit for HP Z8 G5

This NEMIX RAM kit delivers 512GB of DDR5 memory across eight 64GB registered DIMMs. It operates at 4800MHz with CL40 latency and 1.1V voltage. The modules feature ECC error correction and 2Rx4 organisation for server-grade data integrity. It is built for HP Z8 G5 and Z8 Fury G5 workstation platforms.

For IT teams scaling memory on validated HP

Professionals expanding Z8 G5 or Z8 Fury G5 systems to maximum supported capacity will find this matched 8-module kit suitable. Buyers needing unbuffered UDIMMs, non-ECC memory or lower-density modules for consumer motherboards should look elsewhere. Systems requiring speeds above 4800MHz or different voltage specifications are not addressed by this kit.

Registered ECC with 2Rx4 architecture ensures data

The RDIMM registered design places a buffer between the memory controller and DRAM chips, reducing electrical load on the workstation memory bus. Combined with ECC and 2Rx4 rank configuration, this specification detects and corrects single-bit errors while maintaining signal stability across all eight populated slots. This combination is the deciding factor for mission-critical workloads on compatible HP platforms.

How it compares

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

Price $12,915.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $25.23 per GB
Pricier than about 70% 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 numberMR38400-924K8
Total capacity512 GB (8 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items512 GB (8 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the HP Z8 G5 Fury G5, and what step is commonly missed?

Power off the workstation, open the chassis, align each 288-pin module with the keyed slot, press firmly until the latches click, then verify in BIOS that all eight 64 GB modules run at 4800 MT/s; the step often missed is seating every module fully so the retention clips engage on both sides.

What maintenance or replacement will the 512 GB ECC RDIMM kit need over its service life?

No routine maintenance is required; the modules have no heat spreaders or moving parts, so only a failed stick would need replacement, which is covered by the manufacturer's lifetime replacement warranty.

What limit appears first when the 8 x 64 GB kit runs sustained workloads at 1.1 V?

The CAS latency of CL40 at 4800 MT/s sets the timing floor; under continuous load the memory controller will hit this latency ceiling before voltage or thermal limits become a factor.

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