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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 256GB 8x32GB 4800 CL40 1.1V 2Rx8 RDIMM ECC Supermicro H14DST-F memory upgrade

SKU CH-QCPM-49BXS

256GB eight-module DDR5-4800 ECC RDIMM kit with CL40 latency and 1.1V operation for Supermicro H14DST-F servers

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 8X32GB

Show 30 more configurations
  • 256 GB total capacity lets you fully populate the Supermicro H14DST-F
  • DDR5 4800 speed matches the board's rated frequency for stable operation
  • CL40 latency and 1.1 V voltage meet the memory controller's exact timing requirements
  • 2Rx8 registered ECC architecture corrects single-bit errors and offloads the controller
  • 288-pin RDIMM form factor fits the motherboard's DIMM slots without adapters

Exact-match DDR5 kit for Supermicro H14DST-F

This 256 GB kit contains eight 32 GB DDR5 4800 RDIMM modules built to the precise rank, voltage and timing the server memory controller expects. Registered ECC architecture offloads the controller and corrects single-bit errors on the fly, keeping every slot fully populated at rated speed. It is designed for administrators who need guaranteed recognition and stability in a production Supermicro platform.

Thermals noise and power draw in normal use

Each module operates at 1.1 V without a heat spreader, relying on the server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping to keep system power draw predictable under sustained workloads. The design targets quiet, continuous operation in rack environments where acoustic and thermal headroom are managed by the host system.

Build quality and day-to-day connectors

Eight 288-pin RDIMMs arrive as a matched kit, eliminating population-order guesswork when filling the board's DIMM slots. Major OEM DRAM from Samsung, Micron or Hynix underpins the lifetime replacement warranty and free US-based technical support. Buyers who need unbuffered UDIMMs, SODIMM form factors, or capacities beyond the motherboard's validated limits should verify their configuration before ordering.

Highlights

  • 256 GB total capacity lets you fully populate the Supermicro H14DST-F
  • DDR5 4800 speed matches the board's rated frequency for stable operation
  • CL40 latency and 1.1 V voltage meet the memory controller's exact timing requirements
  • 2Rx8 registered ECC architecture corrects single-bit errors and offloads the controller
  • 288-pin RDIMM form factor fits the motherboard's DIMM slots without adapters

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-328K8
Capacity256GB (8 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 8X32GB DDR5 4800MHz PC5-38400 2Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 8x32GB DDR5 RDIMM kit into the Supermicro H14DST-F and which slot order avoids a boot failure?

Power down the server, open the chassis, and insert each 288-pin module into the DIMM slots following the population sequence printed in the H14DST-F manual; the registered 2Rx8 design requires exact slot order so the memory controller recognises all 256GB at 4800MT/s.

What ongoing maintenance or replacement will the DDR5 4800 ECC RDIMM kit need during its service life?

No scheduled maintenance is required; the modules have no heat spreaders or moving parts, and ECC corrects single-bit errors automatically, so replacement only occurs if a module develops an uncorrectable fault.

What is the first limit reached when the 256GB DDR5-4800 CL40 1.1V kit runs sustained workloads on the H14DST-F?

The memory controller hits the JEDEC 4800MT/s data-rate ceiling first; CL40 latency and 1.1V operation are fixed, so throughput cannot exceed the rated PC5-38400 bandwidth under continuous load.

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