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Green printed circuit board DDR5 RDIMM module with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 1Rx4 ECC RDIMM Hynix HMCG84MEBRA174N memory upgrade

SKU CH-3VGT-10HH3

A 32 GB DDR5-4800 CL40 1Rx4 ECC registered RDIMM for server and workstation upgrades

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • 288-pin RDIMM form factor fits compatible slots

32GB DDR5 4800 ECC RDIMM

This 32GB DDR5 module runs at 4800MT/s with CL40 latency and 1.10V operation. It is a registered ECC RDIMM built for server and workstation motherboards that require registered memory. The single-rank 1Rx4 organisation uses Hynix-compatible components.

Suits servers needing registered ECC memory

Systems that require unbuffered non-ECC DDR5 cannot use this registered module. Builders assembling consumer desktop PCs or laptops should look for standard UDIMM or SO-DIMM kits instead.

Registered ECC RDIMM form factor

The 288-pin registered DIMM with on-board ECC and register logic only works in motherboards designed for registered memory. Verify your platform supports RDIMM before purchase.

How it compares

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

Price $956.99
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 $29.91 per GB
Pricier than about 85% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineHynix Server/Workstaion Compatible Series Memory
Model nameHynix 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 systemsHynix
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

How do I install the 288-pin DDR5 RDIMM and which orientation mistake should I avoid?

Align the module notch with the slot key, press straight down until both retention clips click, and confirm the registered buffer faces the correct direction — reversing it prevents the system from posting.

Will the ECC RDIMM require any firmware updates or component replacements over its service life?

The module itself has no moving parts or firmware; ECC error correction operates in hardware, so no scheduled maintenance or replacement is needed unless a correctable error count exceeds the platform threshold.

At what point does the CL40 latency at 4800 MT/s become the bottleneck during sustained workloads?

Under continuous memory-bound throughput the CAS-40 timing limits random-access response before bandwidth saturates, so latency-sensitive tasks see the ceiling first.

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