We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Eight bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 4800 CL40 1.10V ECC RDIMM memory upgrade

SKU CH-0N8D-QEWR6

Eight 32 GB DDR5 RDIMM modules totalling 256 GB at 4800 MT/s with ECC and registered buffering for compatible HPE servers and workstations

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from eight 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity in servers
  • Low 1.10 V operation reduces power draw and heat
  • Validated for HP Z4 G5 workstation compatibility

256GB DDR5 ECC RDIMM kit for HP Z4 G5

This 256GB kit contains eight 32GB DDR5 4800 RDIMM modules built for the HP Z4 G5 workstation. Each module is registered with ECC and runs at 1.10V with CL40 latency. The 1Rx4 organisation and 288-pin form factor match the platform memory slots. It targets IT professionals who need maximum registered capacity in a single workstation.

Sustained load behaviour with registered ECC

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors and detects multi-bit errors without halting the system. The 1.10V operating voltage limits heat rise when all eight slots are populated. CL40 timing is the standard JEDEC value for DDR5 4800 registered modules under prolonged throughput.

Installation notes and common issues

Modules install vertically into the eight 288-pin DDR5 slots; no heat spreaders are present so clearance is minimal. The kit is validated for the HP Z4 G5, so the BIOS recognises the full 256GB without manual configuration. Builders who need a different capacity or non-registered memory must select another part because this kit is fixed at eight registered 32GB sticks.

How it compares

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

Price $6,550.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $25.59 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineHPE Server/Workstation Compatible Series Memory
Model nameHPE DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K8
Total capacity256 GB (8 × 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items256 GB (8 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does the 256 GB kit draw at its rated 1.10 V when running continuously?

Each 32 GB module operates at 1.10 V DDR5 standard voltage; total system draw depends on the workstation's memory controller and workload, not on the modules alone.

What must the HP Z4 G5 already provide for these registered ECC DIMMs to function?

The workstation needs a DDR5 RDIMM-capable CPU and motherboard with eight free 288-pin slots, plus BIOS support for ECC registered memory at 4800 MT/s.

Can I mix these 1Rx4 CL40 modules with any existing DDR5 RDIMMs of different rank or latency in the same Z4 G5?

Mixing ranks or CAS latencies is not recommended; the platform will run all channels at the slowest common timing and may require identical module configuration per channel for stability.

More in Model-Specific Memory Upgrades

Similar items