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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 192GB kit

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 192GB (2x96GB) 6400 CL52 1.1V 2Rx4 Registered Supermicro X14SDW-40C-SP9F

SKU CH-D457-7W80G

192 GB DDR5 registered ECC server memory kit, two 96 GB modules at 6400 MT/s CL52 1.1 V, validated for the Supermicro X14SDW-40C-SP9F motherboard

  • Capacity192GB (2 x 96GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 192GB 2X96GB

  • 192 GB total capacity with two 96 GB modules for dense server workloads
  • DDR5 6400 speed rated at CL52 latency for high-throughput data paths
  • Registered ECC architecture corrects single-bit errors and buffers signals for stable full-population operation
  • 1 V operating voltage matches platform spec for efficient power draw
  • Verified fitment with Supermicro X14SDW-40C-SP9F motherboard per manufacturer validation

Exact-match server upgrade

This 192GB kit (2 x 96GB) of DDR5 ECC RDIMM memory is built for the Supermicro X14SDW-40C-SP9F motherboard. The modules run at 6400MHz (PC5-51200) with CL52 latency and 1.10V operation. Registered 2Rx4 architecture ensures the memory controller recognises full capacity across both slots.

Thermals and power draw

Bare modules without a heat spreader operate at the standard 1.10V DDR5 voltage, keeping power draw low in typical server workloads. Registered buffering reduces electrical load on the motherboard memory controller when all slots are populated. Passive cooling relies on chassis airflow directed across the 288-pin DIMMs.

Registered ECC requirement

This kit only works in systems that require registered ECC RDIMMs with a 2Rx4 rank structure. It will not function in desktop boards, laptops, or servers that accept only unbuffered UDIMMs or SODIMMs. Verify your platform documentation for supported population rules before ordering.

Highlights

  • 192 GB total capacity with two 96 GB modules for dense server workloads
  • DDR5 6400 speed rated at CL52 latency for high-throughput data paths
  • Registered ECC architecture corrects single-bit errors and buffers signals for stable full-population operation
  • 1 V operating voltage matches platform spec for efficient power draw
  • Verified fitment with Supermicro X14SDW-40C-SP9F motherboard per manufacturer validation

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-9624K2
Capacity192GB (2 x 96GB)
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 Content192GB 2X96GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin RDIMM kit in the Supermicro X14SDW-40C-SP9F and which slot order avoids the common population error?

Power off the server, open the chassis, and insert each 96GB module into the DIMM slots specified by the motherboard manual for a two-DIMM population; the frequent mistake is skipping the designated first-channel slots, which prevents the system from recognising the full 192GB at DDR5-6400.

What ongoing maintenance or replacement should I plan for with these registered ECC modules?

Registered ECC DIMMs have no moving parts or scheduled service; plan only for replacement if the motherboard logs uncorrectable ECC errors or if a future CPU upgrade requires a different rank or voltage configuration.

What is the first limit reached when the kit runs sustained workloads at CL52?

The CAS latency of CL52 at 1.10V sets the timing boundary; under continuous load the memory controller will hit this latency ceiling before thermal or power limits become a factor.

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