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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM DDR5 256GB (2x128GB) 6400 CL52 4Rx4 ECC RDIMM Server Memory Upgrade

SKU CH-MRDJ-7FCSW

A 256 GB DDR5 registered ECC memory kit with two 128 GB modules running at 6400 MT/s, CL52, 1.1 V, 4Rx4 for the Supermicro X14SDW-36CE-SP9F motherboard

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

  • 256 GB total capacity from two 128 GB modules for maximum server density
  • DDR5-6400 speed with CL52 latency delivers rated throughput out of the box
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 10 V operation matches the platform's voltage requirement for reliable operation
  • Verified fitment for the Supermicro X14SDW-36CE-SP9F motherboard's 288-pin RDIMM slots

Exact-match server upgrade

This 256 GB kit contains two 128 GB DDR5 RDIMMs built to the precise rank, voltage and timing the Supermicro X14SDW-36CE-SP9F expects. Registered ECC architecture lets every slot run fully populated at rated speed while correcting single-bit errors before they reach production workloads.

DDR5-6400 registered limits

The modules operate at 6400 MT/s (PC5-51200) with CL52 latency at 1.1 V, a combination the memory controller must support natively. Population rules and maximum capacity per slot are defined by the motherboard manual, so verified fitment depends on consulting that document before installation.

288-pin RDIMM daily reality

Without heat spreaders the modules rely on chassis airflow, making front-to-rear cooling essential in dense 1U or 2U builds. The registered buffer adds slight electrical load but removes signal-integrity worries when all channels are filled, and the 288-pin keying prevents accidental UDIMM or SODIMM insertion.

Points forts

  • 256 GB total capacity from two 128 GB modules for maximum server density
  • DDR5-6400 speed with CL52 latency delivers rated throughput out of the box
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 10 V operation matches the platform's voltage requirement for reliable operation
  • Verified fitment for the Supermicro X14SDW-36CE-SP9F motherboard's 288-pin RDIMM slots

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

Should I pick the 2x128GB kit or a different capacity for the Supermicro X14SDW-36CE-SP9F?

The 256GB kit with two 128GB modules matches the board's DDR5 6400 registered ECC requirements and fills two slots at the rated speed.

What does the 6400MHz rating mean once the modules are installed in the server?

The memory controller will run the kit at DDR5 6400 (PC5-51200) with CL52 latency at 1.1V when populated per the motherboard manual.

How does the 288-pin RDIMM interface limit the maximum speed in this system?

The registered 288-pin DDR5 form factor is required by the X14SDW-36CE-SP9F and caps operation at the board's supported DDR5 6400 transfer rate.

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