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Green DDR5 RDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 1Rx4 ECC RDIMM for Lenovo ThinkSystem 4X77A81438 AMD Servers memory upgrade

SKU CH-05Y4-CFVNZ

32 GB DDR5 4800 ECC registered DIMM with CL40 latency and 1.10 V operation for compatible Lenovo ThinkSystem AMD servers

  • 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 for heavy workloads
  • DDR5 4800 speed delivers high bandwidth for AMD platforms
  • ECC registered design protects data integrity in critical tasks
  • 1 V operation reduces power draw per module
  • Validated for Lenovo ThinkSystem 4X77A81438 compatibility

32GB DDR5 ECC RDIMM for Lenovo ThinkSystem

This 32GB DDR5 4800 module is built for Lenovo ThinkSystem servers using AMD processors. It operates as a 1Rx4 registered DIMM with ECC for data integrity. The 1.1V voltage and CL40 latency match the platform specifications. It targets administrators expanding memory in compatible enterprise systems.

Single 288-pin module with major OEM chips

The package contains one 32GB stick populated with Samsung, Micron or Hynix components. No heat spreader is fitted, keeping the profile standard for dense server chassis. Registered buffering and on-die ECC reduce electrical load on the memory controller. The 288-pin DDR5 form factor ensures mechanical compatibility with the qualified slots.

Suits ThinkSystem 4X77A81438 qualified

This part suits IT teams scaling memory in validated Lenovo AMD servers where registered ECC DDR5 is required. It does not suit desktop boards, laptops or non-qualified workstations that need unbuffered SODIMMs or UDIMMs. Buyers needing multiple ranks per channel or lower latency bins should verify platform support before ordering.

How it compares

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

Price $957.99
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 $29.94 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 lineLenovo Server/Workstation Compatible Series Memory
Model nameLenovo 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 systemsLenovo
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

Does the 1Rx4 ECC RDIMM require any periodic maintenance or component replacement?

The 32GB DDR5 4800 CL40 1Rx4 ECC RDIMM has no moving parts and no heat spreader; it needs no scheduled maintenance or component replacement once installed in a compatible Lenovo ThinkSystem server.

What is the first limit reached when the module runs at DDR5 4800 continuously?

The registered 1Rx4 design and CL40 latency define the sustained throughput ceiling; the module operates at its rated 4800 MT/s speed without thermal throttling because it draws only 1.10 V and has no heat spreader to trap heat.

How much noise, heat or power does the 288-pin RDIMM produce under all-day load?

The module runs silently with no fan, consumes 1.10 V at DDR5 4800, and generates minimal heat thanks to the low-voltage 1Rx4 ECC design and absence of a heat spreader.

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