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Green bare DDR5 RDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 1Rx4 ECC RDIMM HPE Z4 G5 memory upgrade

SKU CH-QD1V-KSBQH

Adds 32 GB of DDR5 4800 ECC registered memory to HPE Z4 G5 workstations for data-integrity workloads

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity supports demanding workstation workloads
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power consumption
  • Validated for HPE Z4 G5 compatibility

32 GB DDR5 ECC RDIMM for HPE Z4 G5

This 32 GB registered DDR5 module operates at 4800 MT/s with CL40 latency and 1.10 V. It targets IT professionals upgrading HPE Z4 G5 workstations that require error-correcting registered memory for stable operation under sustained workloads.

Registered DDR5 limits module count per channel

The registered buffer adds one clock cycle of latency and the memory controller must support registered DIMMs. Maximum usable capacity and population rules are defined by the workstation platform and its qualified vendor list, not by the module itself.

Tool-free DIMM installation with seated verification

Align the notch with the 288-pin slot, press evenly until both retention clips click, then confirm the module is fully seated by checking clip engagement. The most common issue is incomplete insertion, which causes the system to report reduced capacity or fail POST.

How it compares

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

Price $966.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $30.22 per GB
Pricier than about 86% 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 numberMR38400-314K1
Total capacity32 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 items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Should I choose the 32GB 1Rx4 module or a different capacity for my HPE Z4 G5?

The 32GB 1Rx4 DDR5 4800 module matches the workstation's qualified configuration; adding identical modules populates channels evenly for maximum bandwidth.

What does the 4800 MT/s rating deliver in an actual HPE Z4 G5 workload?

At 4800 MT/s the module runs at the platform's native DDR5 speed, giving the full PC5-38400 throughput the CPU memory controller supports.

How does the 288-pin RDIMM interface and ECC registration affect compatibility?

The 288-pin DDR5 RDIMM with registered ECC is the exact form factor the Z4 G5 requires; it will not fit or function in UDIMM or non-ECC slots.

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