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Two green DDR5 RDIMM sticks without heat spreaders, 288 pins each, 128 GB kit

NEMIX RAM

NEMIX RAM DDR5 4800 128GB 2x64GB ECC RDIMM CL40 2Rx4 1.1V memory upgrade for Supermicro X14SDV-20C-SP3F

SKU CH-RF6Q-E0EVJ

128 GB DDR5-4800 ECC registered DIMM kit (2 × 64 GB, 2Rx4, CL40, 1.1 V) validated for Supermicro X14SDV-20C-SP3F

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 128GB 2X64GB

  • 128 GB total capacity from two 64 GB modules for large-scale workloads
  • DDR5 4800 speed rated at PC5-38400 for high data throughput
  • CL40 latency at 1.10 V for efficient registered operation
  • ECC and registered design corrects single-bit errors and offloads the memory controller
  • 288-pin RDIMM form factor validated for Supermicro X14SDV-20C-SP3F motherboard

Exact-match DDR5 server kit

This 128 GB kit consists of two 64 GB DDR5-4800 registered ECC RDIMMs built to the precise rank, voltage and timing the Supermicro X14SDV-20C-SP3F expects. The modules arrive new and are ready for immediate installation in the 288-pin slots your board provides.

Capacity and registered headroom

128 GB across two dual-rank 2Rx4 modules lets the memory controller drive every populated slot at the rated 4800 MT/s without down-clocking. Registered buffering offloads the controller so full population remains stable, while on-die ECC corrects single-bit errors before they reach the operating system.

What the kit changes

Supplied as a matched pair, the two modules eliminate the guesswork of mixing loose DIMMs and ensure the board recognises the full 128 GB at CL40 1.1 V from first boot. No heat spreaders are included, so airflow in dense chassis is unrestricted.

Highlights

  • 128 GB total capacity from two 64 GB modules for large-scale workloads
  • DDR5 4800 speed rated at PC5-38400 for high data throughput
  • CL40 latency at 1.10 V for efficient registered operation
  • ECC and registered design corrects single-bit errors and offloads the memory controller
  • 288-pin RDIMM form factor validated for Supermicro X14SDV-20C-SP3F motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K2
Capacity128GB (2 x 64GB)
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 Content128GB 2X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 2Rx4 registered ECC DDR5 4800 modules work with my existing single-rank DDR5 DIMMs in the Supermicro X14SDV-20C-SP3F?

The board requires all installed DIMMs to be registered ECC RDIMMs; mixing registered and unbuffered modules is not supported. Population rules in the motherboard manual dictate which slots must be filled first for 2Rx4 kits.

How can I confirm the kit is running at DDR5 4800 CL40 1.1V after installation?

Enter the BIOS and verify the memory speed reads 4800 MT/s, CAS latency shows CL40, and voltage is set to 1.1 V. The POST memory test should report the full 128 GB capacity without errors.

Does the MR38400-924K2 kit include a heat spreader or any extra cables?

The package contains only the two 64 GB 288-pin DDR5 RDIMM modules. No heat spreader, cables, or additional accessories are included.

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