We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

NEMIX RAM

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

SKU CH-PJ55-XFV8D

A 128 GB DDR4 2933 registered ECC RDIMM with CL21 latency and 1.2 V operation for Lenovo ThinkSystem servers

  • Capacity128GB
  • SpeedDDR4 2933 (PC4 23400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • Massive 128 GB capacity handles heavy server workloads
  • ECC registered design protects data integrity in critical systems
  • DDR4 2933 speed delivers responsive enterprise performance
  • Low 1.2 V operation reduces power draw and heat
  • 288-pin RDIMM fits compatible Lenovo ThinkSystem platforms

Lenovo Server Memory Upgrade

This 128GB DDR4 RDIMM is built for Lenovo ThinkSystem servers that require registered ECC memory. It targets IT professionals maintaining Intel-based platforms where data integrity and sustained uptime are mandatory.

Straightforward Module Installation

The single stick seats in a standard 288-pin DDR4 slot without tools. Common issues arise when mixing ranks or speeds across channels, so follow the server manual for population order and BIOS settings.

4Rx4 Rank Determines Compatibility

The quad-rank x4 organisation dictates how many modules each memory controller can address. Verify the server specification for maximum rank-per-channel limits before ordering.

Highlights

  • Massive 128 GB capacity handles heavy server workloads
  • ECC registered design protects data integrity in critical systems
  • DDR4 2933 speed delivers responsive enterprise performance
  • Low 1.2 V operation reduces power draw and heat
  • 288-pin RDIMM fits compatible Lenovo ThinkSystem platforms

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 2933 CL21 module is running at the correct speed and timings after installation?

Enter the server BIOS or use a tool like CPU-Z to confirm the memory reports 2933 MT/s, CL21 latency, 1.20V voltage and 4Rx4 organisation for the installed DIMM.

What does the package contain and are any additional parts required for installation in a compatible Lenovo ThinkSystem server?

The box includes one 128GB 288-pin DDR4 ECC RDIMM (part MR23400-744K1). No extra components are needed; the module seats directly into a supported RDIMM slot.

Which capacity and rank configuration should I choose for a Lenovo ThinkSystem server using part 4ZC7A15113?

This listing provides a single 128GB 4Rx4 registered DIMM matched to the 4ZC7A15113 specification. Select this exact module to meet the required density and rank layout.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.