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Green printed circuit board DDR5 RDIMM memory module with black chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR5 6400 2Rx4 CL52 1.1V ECC RDIMM for Supermicro X14SDW-72C-SP9F memory upgrade

SKU CH-R20R-GG989

A 32GB DDR5 6400 RDIMM with ECC and registered buffering, built to the exact rank, voltage and timing the Supermicro X14SDW-72C-SP9F expects

  • Total capacity32 GB
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 32GB

Show 4 more
  • 32 GB DDR5 6400 capacity for high-density server workloads
  • Registered ECC architecture corrects single-bit errors to protect data integrity
  • 2Rx4 rank and 1.10 V voltage match the Supermicro X14SDW-72C-SP9F memory controller spec
  • CL52 CAS latency delivers rated DDR5 6400 performance at full population
  • 288-pin RDIMM form factor fits the board's required DIMM slots exactly

Exact-fit DDR5 ECC RDIMM for Supermicro

This 32GB DDR5 6400 (PC5-51200) registered ECC module matches the 2Rx4 rank, 1.10V voltage and CL52 timing the Supermicro X14SDW-72C-SP9F memory controller expects. The 288-pin RDIMM form factor fits the server board's DIMM slots and is recognised at full capacity and rated speed. It is built for administrators who need reliable capacity expansion in this specific platform.

Replaces lower-capacity

When existing modules limit total memory or run at a lower data rate, this kit raises usable capacity to 32GB per slot at the board's native 6400 MT/s. The jump is worth it when workloads demand maximum registered DIMM population with ECC protection and the system manual confirms the 2Rx4 configuration is supported. Buyers who need a different rank structure, voltage or form factor cannot use this module.

Straightforward slot installation

Power down the system, observe anti-static procedure, and seat the 288-pin RDIMM firmly until the ejectors lock. The registered buffer and ECC function require no extra drivers or software configuration. What usually goes wrong is mixing incompatible ranks, ignoring the motherboard's population order, or inserting a UDIMM or SODIMM by mistake; always verify the manual's approved DIMM sequence before installing.

How it compares

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

Price $1,233.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $38.56 per GB
Pricier than about 90% 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 numberMR51200-324K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 288-pin RDIMM fit the Supermicro X14SDW-72C-SP9F motherboard?

Yes, the 288-pin RDIMM form factor matches the DDR5 slots on the Supermicro X14SDW-72C-SP9F motherboard.

What is the correct way to install this RDIMM and what step is often missed?

Power off the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both latches click. The step often missed is checking the manual for the required population order before installing.

Does the 2Rx4 ECC RDIMM need any maintenance or replacement over time?

No scheduled maintenance is required for the RDIMM. ECC corrects single-bit errors automatically. Replace the module only if the system logs uncorrectable memory errors or fails memory diagnostics.

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