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Green rectangular DDR5 memory module with gold edge connectors and black chips, no heat spreader

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 ECC RDIMM CL40 1Rx4 1.1V memory upgrade

SKU CH-JKFW-XJEZK

A 32 GB DDR5-4800 ECC registered DIMM with CL40 latency and 1.1 V operation for compatible Hynix server platforms

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • ECC protection safeguards data integrity in critical workloads
  • Registered DDR5 design improves signal stability on server platforms
  • 32 GB capacity expands memory headroom for virtualization
  • 4800 MT/s speed delivers high bandwidth for demanding applications
  • 1 V operation reduces power draw per module

Server-grade DDR5 capacity

This NEMIX RAM module delivers 32GB of DDR5 memory at 4800MHz with ECC and registered buffering. It operates at 1.1V with a CL40 latency and a 1Rx4 rank configuration. The 288-pin RDIMM form factor targets compatible server and workstation motherboards.

Replacing slower or non-ECC memory

The jump is worthwhile when workloads demand registered ECC stability at DDR5 speeds. Systems currently running lower-frequency DDR5 or unbuffered non-ECC modules gain error correction and signal integrity for sustained loads. Buyers who need more than 32GB per slot or a different rank structure should verify platform limits before ordering.

DDR5 registered DIMM constraints

The 288-pin DDR5 RDIMM interface requires a motherboard with registered DDR5 memory controllers and appropriate BIOS support. ECC functionality depends on platform-level enablement. Modules without heat spreaders rely on chassis airflow for thermal management. Compatibility is specific to systems qualified for this registered DDR5 standard.

How it compares

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

Price $805.99
Pricier than about 58% 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 $25.19 per GB
Pricier than about 70% 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

Will this 288-pin DDR5 RDIMM fit in a standard server motherboard slot?

Yes, the module uses the standard 288-pin DDR5 RDIMM form factor and requires a compatible registered DIMM slot.

Is any special BIOS setting needed to run this ECC registered memory at 4800 MHz?

The module operates at 1.1 V with CL40 latency; enable XMP or manually set speed, voltage and timings in BIOS if the system does not apply them automatically.

Does the lack of a heat spreader mean the chips need active airflow in a 1U chassis?

Without a heat spreader the DRAM relies on chassis airflow; ensure front-to-back cooling delivers sufficient air velocity across the module.

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