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Two green DDR5 RDIMM modules with black chips and gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400 64GB (2x32GB) ECC RDIMM CL52 1.1V 2Rx4 Supermicro X14SDW-72C-SP9F

SKU CH-HQQ9-VTM9C

64GB DDR5-6400 ECC RDIMM kit (2×32GB) with CL52, 1.1V, 2Rx4 registration validated for the Supermicro X14SDW-72C-SP9F motherboard

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 64GB 2X32GB

Show 4 more configurations
  • Exact DDR5-6400 CL52 1.1 V spec match for full-speed operation
  • 2Rx4 registered ECC design offloads controller for stable full-capacity loads
  • Verified fit for Supermicro X14SDW-72C-SP9F 288-pin RDIMM slots
  • Dual-rank 2Rx4 organisation enables 64 GB kit across two modules
  • Lifetime replacement cover with US-based technical support included

Exact-fit server memory kit

This 64 GB kit contains two 32 GB DDR5 RDIMMs rated at 6400 MT/s with CL52 latency and 1.1 V operation. It is built specifically for the Supermicro X14SDW-72C-SP9F motherboard and uses the registered ECC 2Rx4 configuration that board expects.

Registered ECC architecture

Registered buffering reduces electrical load on the memory controller so all slots can run fully populated at rated speed. On-die ECC detects and corrects single-bit errors automatically, preventing silent data corruption and unplanned reboots in production workloads.

288-pin RDIMM installation

Modules key into standard DDR5 RDIMM slots; alignment notch prevents mis-insertion. The motherboard manual dictates exact population order and maximum capacity per channel, so verify that guide before seating the DIMMs.

Highlights

  • Exact DDR5-6400 CL52 1.1 V spec match for full-speed operation
  • 2Rx4 registered ECC design offloads controller for stable full-capacity loads
  • Verified fit for Supermicro X14SDW-72C-SP9F 288-pin RDIMM slots
  • Dual-rank 2Rx4 organisation enables 64 GB kit across two modules
  • Lifetime replacement cover with US-based technical support included

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-324K2
Capacity64GB (2 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content64GB 2X32GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 2Rx4 registered ECC modules need any firmware updates or periodic replacement on the Supermicro X14SDW-72C-SP9F?

The DDR5 RDIMMs are a lifetime-rated component with no scheduled replacement; ECC corrects single-bit errors on the fly and registered buffering keeps every slot stable at full population.

What limits sustained throughput first — the CL52 latency or the 6400 MT/s data rate?

At DDR5-6400 the 6400 MT/s transfer rate sets the peak bandwidth ceiling; CL52 determines access latency but does not cap sustained throughput.

How much heat and power do the 1.1 V modules generate when the server runs 24/7?

Operating at 1.1 V the kit draws minimal power per DIMM and runs without a heat spreader, so thermal output stays low even under continuous load.

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