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Green circuit board with black memory chips gold edge connector no heat spreader

NEMIX RAM

NEMIX RAM 32GB DDR4 2933 CL21 2Rx4 ECC RDIMM Dell PowerEdge M640

SKU CH-MJ1X-PWJW3

32GB DDR4 2933 ECC registered DIMM with CL21 latency for Dell PowerEdge M640 servers

  • Capacity32GB
  • SpeedDDR4 2933 (PC4 23400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 32 GB capacity expands server memory headroom
  • DDR4 2933 speed matches Dell PowerEdge M640 spec
  • ECC registered design protects data integrity in critical workloads
  • 2 V operation reduces power draw per module
  • 2Rx4 288-pin RDIMM form factor fits native memory slots

Server memory upgrade

This 32 GB DDR4 RDIMM is built for Dell PowerEdge M640 servers that require ECC registered memory. It delivers 2933 MT/s bandwidth with CL21 latency and operates at the standard 1.2 V DDR4 voltage. The 2Rx4 organisation suits dense configurations where capacity per slot matters.

Thermal and power profile

Registered modules run at 1.20 V without a heat spreader, so power draw stays within the DDR4 baseline for this density. Passive cooling relies on the server’s directed airflow; no active fan is present on the module itself. Acoustic contribution is therefore limited to the chassis fans already required for the platform.

Sustained load behaviour

ECC correction handles single-bit errors continuously during long compute or virtualisation workloads. The registered buffer reduces electrical load on the memory controller, helping maintain signal integrity at 2933 MT/s across fully populated channels. Stability is preserved over extended duty cycles without thermal throttling concerns.

Points forts

  • 32 GB capacity expands server memory headroom
  • DDR4 2933 speed matches Dell PowerEdge M640 spec
  • ECC registered design protects data integrity in critical workloads
  • 2 V operation reduces power draw per module
  • 2Rx4 288-pin RDIMM form factor fits native memory slots

Caractéristiques

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR4 2933MHZ RDIMM Registered Server Memory
Part NumberMR23400-324K1
Capacity32GB
SpeedDDR4 2933 (PC4 23400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemDell
CAS LatencyCL21
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content32GB (1X32GB) DDR4 2933MHZ PC4-23400 2Rx4 1.2V CL21 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

How do I install the 288-pin DDR4 RDIMM in the Dell PowerEdge M640, and what step is often missed?

Align the notch on the module with the slot key, press firmly until both retention clips click, and verify the 2Rx4 rank configuration is recognised in the BIOS after power-on.

What maintenance or replacement will the 32 GB DDR4 2933 ECC RDIMM need later?

No routine maintenance is required; the module has no heat spreader and relies on server airflow, so replacement only occurs if ECC logs report correctable errors that exceed the platform threshold.

What limit appears first on the 1.2 V CL21 registered DIMM under sustained load?

The CAS latency of 21 cycles at 2933 MT/s sets the timing ceiling, so sustained throughput is bounded by the registered buffer and fixed CL21 specification.

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