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Green DDR5 ECC RDIMM module with black chips no heat spreader 288-pin

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 ECC RDIMM 2Rx8 CL40 1.1V 288-Pin HPE P43328-B21

SKU CH-XZB9-6TRK4

A 32 GB DDR5-4800 registered ECC module with CL40 latency, 1.1 V operation and 2Rx8 organisation for HPE servers

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB DDR5 4800 MHz capacity for high-density server workloads
  • ECC registered RDIMM corrects errors to protect data integrity
  • 2Rx8 dual-rank organisation increases memory bandwidth per module
  • Low 1.1 V operating voltage reduces power draw in dense configurations
  • Validated compatible with HPE P43328-B21 part number for drop-in upgrades

32GB DDR5 4800 ECC RDIMM

This 32GB DDR5 4800 module is a registered ECC RDIMM built for HPE servers and workstations. It operates at PC5-38400 speed with CL40 latency and a 1.10V voltage. The 2Rx8 dual-rank design uses major OEM chips from Samsung, Micron or Hynix.

Suited for HPE registered-memory platforms

Ideal for administrators expanding memory in compatible HPE systems that require registered ECC DDR5. Not suited for desktop boards or laptops that accept only unbuffered non-ECC modules. Buyers needing unregistered memory or a different pin count should look elsewhere.

Straightforward DIMM installation

The 288-pin RDIMM seats in standard DDR5 server slots like any registered module. Ensure the platform supports registered ECC DDR5 and follow the system manual for population rules. Common issues arise when mixing registered and unbuffered DIMMs or skipping the required BIOS configuration for ECC.

How it compares

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

Price $867.99
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 $27.12 per GB
Pricier than about 75% 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

Does this 288-pin DDR5 RDIMM require a server or workstation motherboard with registered ECC support?

Yes, the module is a registered ECC RDIMM built for HPE platforms and will only function in systems that accept DDR5 registered memory with error correction.

Can I mix this CL40 4800 MT/s module with slower DDR5 RDIMMs already installed in my HPE server?

The system will clock all installed DDR5 RDIMMs to the speed of the slowest module, so this 4800 MT/s stick will downshift to match the lower rate.

How can I confirm the 32 GB module is recognised and running at 4800 MT/s after installation?

Check the BIOS memory information or the operating system's memory report; both should show 32 GB of registered ECC DDR5 operating at 4800 MT/s with CL40 timings.

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