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Green printed circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 64GB DDR4 2933MHz CL21 2Rx4 1.2V 288-pin ECC RDIMM Lenovo 4ZC7A08710 memory upgrade

SKU CH-6CWA-AXE7H

64GB DDR4 2933MHz ECC RDIMM with CL21 latency, 1.2V operation, 2Rx4 rank and 288-pin registered design for Lenovo ThinkSystem servers

  • Total capacity64 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64GB capacity supports demanding server workloads
  • DDR4 2933MHz speed enables fast data throughput
  • ECC registered design protects data integrity
  • 2V operation reduces power consumption
  • 288-pin RDIMM fits Lenovo ThinkSystem servers

64GB DDR4 2933MHz ECC RDIMM for Lenovo ThinkSystem

This 64GB DDR4 2933MHz registered DIMM adds 64GB of ECC memory to compatible Lenovo ThinkSystem servers. It targets IT administrators who need to expand capacity on Intel-based platforms using the 4ZC7A08710 part number. The module operates at PC4-23400 speed with a CL21 latency profile.

Thermals noise and power draw at 1.2V

The module runs at 1.2V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering and ECC circuitry add minimal overhead, keeping power draw low during sustained workloads. Passive operation means no fan noise is generated by the memory itself.

Fits 288-pin RDIMM slots on approved Lenovo systems

Installation requires an available 288-pin DDR4 RDIMM slot on a supported Lenovo ThinkSystem server. The 2Rx4 organisation works with the platform memory controller to enable the full 64GB capacity per module. Builders who need non-ECC unbuffered DIMMs or a different voltage cannot use this module.

How it compares

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

Price $390.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.11 per GB
Cheaper than about 64% 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 DDR4 2933 MHz ECC RDIMM Registered Server Memory
Part numberMR23400-924K1
Total capacity64 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo
In the box
Included items64 GB (1 × 64 GB) DDR4 2933 MHz PC4-23400 2Rx4 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install this 288-pin DDR4 RDIMM and what step is commonly missed?

Power down the server, open the chassis, align the module key with the slot notch, press firmly until both clips lock, then verify the BIOS recognises the full 64GB at 2933MHz.

What maintenance or replacement will this ECC RDIMM need over its service life?

No scheduled maintenance is required; the module either passes continuous ECC correction or it fails, at which point the single 64GB stick is replaced as a unit.

What limit appears first when this 1.2V 2Rx4 module runs sustained workloads?

The CAS 21 latency at 2933MHz sets the throughput ceiling before voltage or thermal constraints become a factor.

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