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

NEMIX RAM

NEMIX RAM 48GB DDR5 5600 ECC RDIMM 2Rx8 CL46 1.1V 288-Pin Lenovo ThinkEdge SE455i V3 memory upgrade

SKU CH-XF8R-7C9RA

A 48 GB DDR5 ECC RDIMM module running at 5600 MHz with CL46 latency, 1.1 V operation and 2Rx8 organisation for the Lenovo ThinkEdge SE455i V3 inferencing server

  • Total capacity48 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 48 GB capacity expands server memory for larger workloads
  • DDR5 5600 speed delivers high data throughput for inferencing tasks
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw per module
  • Validated for Lenovo ThinkEdge SE455i V3 compatibility

System-Specific DDR5 ECC RDIMM

This 48 GB DDR5 5600 registered DIMM is built for the Lenovo ThinkEdge SE455i V3 inferencing server. It delivers ECC protection and registered signalling in a single 2Rx8 module. The 1.1 V operating voltage matches the platform specification. It targets administrators who need validated, high-density memory for edge AI workloads.

Build integration and slot economy

The 288-pin RDIMM installs directly into the server’s DDR5 slots without adapters. Registered buffering reduces electrical load on the memory controller, allowing higher total capacity per channel. ECC corrects single-bit errors to maintain data integrity during long inferencing runs. A single 48 GB stick leaves remaining slots free for future expansion.

Upgrade context and when it matters

This module replaces lower-capacity DDR5 RDIMMs or fills empty slots to reach the density required for larger models. The jump is worthwhile when workloads exceed the memory ceiling of smaller configurations and the platform’s qualified-vendor list includes this part. It does not serve systems that require unbuffered UDIMMs or a different DDR generation.

How it compares

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

Price $1,248.99
Pricier than about 63% of the 21,161 comparable items (median $397.99).
Total capacity 48 GB
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $26.02 per GB
Pricier than about 71% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-4828K1
Total capacity48 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items48 GB (1 × 48 GB) DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN ECC RDIMM

Questions about this item

What is the CAS latency of this DDR5 5600 ECC RDIMM?

The module runs at CL46 latency at its rated 5600 MT/s speed.

How much power does the 48GB registered DIMM draw at 1.1 V during continuous operation?

It operates at the standard DDR5 1.10 V, keeping power draw low for sustained server workloads.

Which server platform must the buyer already have for this memory to function?

It is validated for the Lenovo ThinkEdge SE455i V3 inferencing server.

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