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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 ECC RDIMM HP Z4 G5 Workstation memory upgrade

SKU CH-Z6BV-A606M

A 32 GB DDR5 kit with two 16 GB registered ECC modules at 4800 MT/s CL40 for the HP Z4 G5 workstation

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • ECC protection prevents data corruption in critical workloads
  • Registered design improves signal integrity for stable operation
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • 32 GB kit with two 16 GB modules expands workstation memory capacity
  • 1 V operation reduces power consumption per module

HP Z4 G5 DDR5 ECC RDIMM kit

This 32 GB kit contains two 16 GB DDR5 4800 modules built for the HP Z4 G5 workstation. Each stick is a registered 288-pin RDIMM with ECC and a CL40 latency rating. The 1.10 V operating voltage matches the platform specification. It targets professionals who need error-correcting memory for stable compute workloads.

Replacing non-ECC or slower DDR5

The upgrade replaces standard unbuffered DDR5 or lower-speed registered modules that lack ECC protection. The jump is worth it when your workloads demand data integrity and the motherboard requires registered DIMMs. Systems running virtualisation, rendering or scientific code benefit from the error correction and the 4800 MT/s transfer rate.

Check motherboard slot count and population rules

Verify that the Z4 G5 has enough free 288-pin DDR5 slots for two modules and confirm the supported population order in the service manual. Ensure the BIOS is current enough to recognise 1Rx8 registered DIMMs at 4800 MT/s. The kit will not fit boards wired for unbuffered UDIMMs or for earlier DDR generations.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • Registered design improves signal integrity for stable operation
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • 32 GB kit with two 16 GB modules expands workstation memory capacity
  • 1 V operation reduces power consumption per module

Specifications

BrandNEMIX RAM
SeriesHPE Server/Workstation Compatible Series Memory
ModelHPE DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K2
Capacity32GB (2 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 Content32GB (2X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the HP Z4 G5 workstation memory slots?

Yes, the 288-pin DDR5 RDIMM form factor matches the HP Z4 G5 workstation memory slots for direct installation.

What is the correct way to install the 2x16GB registered ECC kit, and what step is often missed?

Power off the workstation, open the chassis, align each 288-pin module with the slot notch, press firmly until both retention clips lock, then verify the system recognises the full 32GB capacity in BIOS.

When will the Samsung, Micron or Hynix DRAM chips on these registered ECC modules need replacement?

The modules are stress-tested for stability and covered by a lifetime replacement warranty, so replacement is only required if a hardware fault occurs during normal operation.

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