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Green rectangular DDR4 RDIMM module with black chips, no heat spreader, 288 gold contacts

NEMIX RAM

NEMIX RAM 128GB DDR4 2933MHz ECC RDIMM 4Rx4 CL21 1.2V 288-pin memory upgrade

SKU CH-G1XD-565MW

128GB DDR4 2933MHz ECC registered DIMM with CL21 latency and 1.2V operation for compatible Lenovo servers

  • Capacity128GB
  • SpeedDDR4 2933 (PC4 23400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128GB capacity supports heavy virtualization workloads
  • DDR4 2933MHz speed handles data-intensive server tasks
  • ECC registered design protects data integrity under load
  • 2V operation reduces power draw in dense configurations
  • Validated for Lenovo ThinkSystem 4ZC7A15138 compatibility

Lenovo ThinkSystem 4ZC7A15138 compatible DDR4 RDIMM

This 128GB DDR4 2933MHz ECC registered module is built for Intel-based Lenovo ThinkSystem servers that require the 4ZC7A15138 part number. It targets administrators upgrading memory in compatible enterprise platforms.

Simple DIMM installation with manual reference

The module inserts into a standard 288-pin DDR4 RDIMM slot and typically takes minutes to fit. Always consult the system owner's manual for detailed instructions and supported population rules before installing.

128GB single-module capacity at 1.2V

One stick delivers 128GB at CL21 latency with 4Rx4 organisation, suited for dense virtualisation or large in-memory workloads. Headroom ends when the platform's maximum supported memory per socket or total DIMM count is reached.

Highlights

  • 128GB capacity supports heavy virtualization workloads
  • DDR4 2933MHz speed handles data-intensive server tasks
  • ECC registered design protects data integrity under load
  • 2V operation reduces power draw in dense configurations
  • Validated for Lenovo ThinkSystem 4ZC7A15138 compatibility

Specifications

BrandNEMIX RAM
SeriesLenovo Server/Workstation Compatible Series Memory
ModelLenovo DDR4 2933MHZ ECC RDIMM Registered Server Memory
Part NumberMR23400-744K1
Capacity128GB
SpeedDDR4 2933 (PC4 23400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemLenovo
CAS LatencyCL21
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank4Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (1X128GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I verify the 128GB DDR4 2933MHz ECC RDIMM is running at CL21 1.2V after installation?

Enter the server BIOS or UEFI and confirm the memory speed reads 2933 MT/s, CAS latency shows CL21, voltage reads 1.2V, and ECC status reports active for the 128GB module.

What ships with the MR23400-744K1 kit and do I need extra parts?

The box contains one 128GB 288-pin DDR4 2933MHz ECC registered RDIMM; no cables, brackets, or additional components are included or required for installation.

Which capacity and rank should I choose for a Lenovo ThinkSystem using part 4ZC7A15138?

Select the 128GB 4Rx4 DDR4 2933MHz ECC RDIMM (MR23400-744K1) — it matches the specified Lenovo part number and is validated for Intel-based ThinkSystem servers.

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