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NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 1.1V ECC RDIMM HPE P43328-K21 memory upgrade

SKU CH-4JAT-JYHQ2

32GB DDR5 4800 ECC RDIMM with CL40 latency and 1.1V operation for HPE servers

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32GB capacity expands server memory for demanding workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design detects and corrects errors for reliability
  • 1V operation reduces power draw in dense configurations
  • Validated for HPE P43328-K21 systems ensuring drop-in compatibility

HPE Server Memory Upgrade

This 32GB DDR5 module runs at 4800MHz with CL40 latency and 1.1V operation. It is built as a 2Rx8 registered ECC RDIMM for HPE server and workstation platforms. The 288-pin form factor fits compatible DDR5 motherboard slots. It targets IT professionals who need validated capacity increases for mission-critical workloads.

Thermals and Power Draw

Registered DDR5 modules at 1.1V draw less power per gigabyte than earlier generations under typical server loads. The bare circuit board has no heat spreader, relying on chassis airflow for cooling. ECC and register logic add minimal overhead during sustained read and write cycles. Noise remains a function of the system fans rather than the memory itself.

Capacity and Compatibility Gains

Adding this single 32GB stick replaces smaller RDIMMs to reach higher totals without occupying extra slots. It suits administrators who must expand memory on qualified HPE systems while keeping registered ECC topology intact. The jump is worth it when current capacity limits virtualisation density or database buffer pools. Buyers who need unbuffered UDIMMs or non-ECC memory for consumer boards cannot use this module.

How it compares

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

Price $869.99
Pricier than about 59% 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 $27.19 per GB
Pricier than about 76% 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 numberMR38400-328K1
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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install this 288-pin DDR5 RDIMM into an HPE server, and which step is often missed?

Power down the server, open the chassis, align the module notch with the slot key, press firmly until both ejector clips lock, then verify the new 32 GB capacity in the BIOS or iLO before loading the OS.

What maintenance or replacement will this ECC RDIMM need during its service life?

No scheduled maintenance is required; the module carries a lifetime replacement warranty, so a replacement is only needed if the built-in ECC reports uncorrectable errors or the server fails POST.

What limit appears first when this CL40 1.1 V module runs under sustained load?

The CAS latency of 40 cycles at 4800 MT/s sets the baseline response time, and the 1.1 V operating voltage defines the thermal ceiling before throttling or errors occur.

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