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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 256GB kit

NEMIX RAM

NEMIX RAM 256GB 2x128GB DDR5 6400 CL52 4Rx4 ECC Registered RDIMM memory upgrade

SKU CH-YYJ6-5PG9R

256 GB DDR5 server memory kit with two 128 GB ECC registered RDIMMs running at 6400 MT/s CL52 for Supermicro X14SDW-64C-SP9F

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

Size 256GB 2X128GB

Voir les 4 autres configurations
  • 256 GB total capacity with two 128 GB modules for maximum slot utilisation
  • DDR5 6400 speed rated at PC5-51200 for high-throughput server workloads
  • CL52 latency and 1.10 V operation matching the motherboard's exact timing requirements
  • Registered 4Rx4 ECC architecture offloads the controller and corrects single-bit errors automatically
  • Validated for Supermicro X14SDW-64C-SP9F motherboard with 288-pin RDIMM form factor

Exact-Match Server Upgrade

This NEMIX RAM kit provides 256GB of DDR5 memory in a matched pair of 128GB modules. It is built for the Supermicro X14SDW-64C-SP9F motherboard and uses the registered RDIMM form factor that platform requires. The modules deliver the precise rank, voltage and timing the board's memory controller expects.

DDR5 RDIMM Population Rules

Registered ECC architecture lets every slot run fully populated at the rated 6400 speed while correcting single-bit errors on the fly. The motherboard manual dictates supported capacities, approved DIMM population order and installation steps that must be followed before purchase. Buyers needing unbuffered UDIMM or SODIMM modules cannot use this kit.

4Rx4 Rank Configuration

Each module uses a 4Rx4 organisation with CL52 latency at 1.10V, matching the exact specification the server firmware validates at boot. A different rank structure or voltage would prevent the system from recognising the full 256GB capacity or running at the rated PC5-51200 data rate.

Points forts

  • 256 GB total capacity with two 128 GB modules for maximum slot utilisation
  • DDR5 6400 speed rated at PC5-51200 for high-throughput server workloads
  • CL52 latency and 1.10 V operation matching the motherboard's exact timing requirements
  • Registered 4Rx4 ECC architecture offloads the controller and corrects single-bit errors automatically
  • Validated for Supermicro X14SDW-64C-SP9F motherboard with 288-pin RDIMM form factor

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 choose the 2x128GB kit or a different capacity for my Supermicro X14SDW-64C-SP9F?

The 256GB 2x128GB kit is the exact-match upgrade for the Supermicro X14SDW-64C-SP9F motherboard. Its 4Rx4 rank, 1.1V voltage and CL52 timing match the board's memory controller requirements so the full 256GB is recognised and runs at the rated DDR5 6400 speed.

What does the DDR5 6400 rating deliver once the modules are installed in the server?

DDR5 6400 (PC5-51200) provides a 6400 MT/s data rate. With CL52 latency and registered ECC operation the modules sustain that throughput across both slots, giving the memory controller the bandwidth and error correction it expects for production workloads.

How does the 288-pin RDIMM interface and registered ECC design affect real-world operation?

The 288-pin RDIMM form factor fits the X14SDW-64C-SP9F's DDR5 slots. Registered buffering offloads the memory controller so both DIMMs run fully populated at 6400 MT/s, while on-die ECC corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots.

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