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Two green DDR5 RDIMM modules in anti-static packaging

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5-4800 ECC RDIMM CL40 2Rx4 Supermicro X14SDV-20C-SP3F memory upgrade

SKU CH-8CDQ-FMM8F

A 256 GB DDR5-4800 ECC registered DIMM kit built to the exact rank, voltage and timing the Supermicro X14SDV-20C-SP3F motherboard expects

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

  • 256GB total capacity from two 128GB modules for maximum server memory density
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth for demanding workloads
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 1V operating voltage matches the Supermicro X14SDV-20C-SP3F memory controller specification
  • 288-pin RDIMM form factor ensures exact fit in the validated motherboard slots

Server Memory Kit

This 256GB kit contains two 128GB DDR5 RDIMM modules built for the Supermicro X14SDV-20C-SP3F motherboard. Registered ECC architecture and a 2Rx4 organisation let the memory controller address full capacity across every populated slot. The modules run at 4800MHz with CL40 timing at 1.1V, matching the board's native specification. It is intended for administrators who need maximum registered capacity on this specific platform.

Sustained Operation

Registered buffering reduces electrical load on the memory controller so all slots remain stable when fully populated under continuous workloads. ECC circuitry detects and corrects single-bit errors in real time, preventing silent data corruption during long-running compute or database tasks. The 1.1V operating voltage keeps power draw consistent across extended duty cycles. No heat spreader is fitted, so chassis airflow must handle thermal dissipation.

Installation Notes

The 288-pin RDIMM form factor fits only registered DIMM slots; UDIMM or SODIMM sockets will not accept these modules. Population order follows the motherboard manual's approved sequence, which varies by CPU configuration and must be verified before installation. Mixing ranks or capacities can prevent the system from recognising the full 256GB. Buyers who need a different capacity or unbuffered memory should select another kit.

Points forts

  • 256GB total capacity from two 128GB modules for maximum server memory density
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth for demanding workloads
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 1V operating voltage matches the Supermicro X14SDV-20C-SP3F memory controller specification
  • 288-pin RDIMM form factor ensures exact fit in the validated motherboard slots

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

Does the 1.1V operating voltage keep power draw and heat low when the server runs 24/7?

The modules run at 1.1V, which is the standard DDR5 voltage, helping limit power consumption and thermal output during continuous operation.

What motherboard slot and firmware support are required to use this 256GB kit?

The kit needs a Supermicro X14SDV-20C-SP3F motherboard with 288-pin RDIMM slots and BIOS that supports DDR5-4800 Registered ECC memory at 2Rx4 density.

Will the 2Rx4 Registered ECC design work alongside other DDR5 RDIMMs already installed in the same board?

Yes, if the board's memory population rules allow mixing 2Rx4 Registered ECC DIMMs at the same speed and voltage, the kit will operate together with existing modules.

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