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Green circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 48GB DDR5 4800 CL40 2Rx8 1.1V ECC Registered RDIMM 288-Pin Supermicro H14DSG-O-CPU memory upgrade

SKU CH-TP5S-AA308

48GB DDR5 4800 CL40 2Rx8 1.1V ECC Registered RDIMM for Supermicro H14DSG-O-CPU servers

  • Total capacity48 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 48GB

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  • Exact-match upgrade for Supermicro H14DSG-O-CPU
  • 48GB DDR5-4800 CL40 2Rx8 registered ECC
  • 1V operation matches server memory controller specs
  • Registered architecture enables full-slot population
  • ECC corrects single-bit errors preventing data corruption

Exact-match upgrade for Supermicro H14DSG-O-CPU

This 48 GB DDR5 4800 module delivers the precise rank, voltage and timing the memory controller expects. The 2Rx8 Registered ECC design is recognised at full capacity and runs at its rated speed without manual tuning. It fits the 288-pin RDIMM slots the board requires and is not a UDIMM or SODIMM alternative.

Thermals noise and power draw in normal use

Operating at 1.1 V with no heat spreader, the module relies on server chassis airflow to stay within specification. Registered buffering reduces electrical load on the controller so every populated slot remains stable. ECC corrects single-bit errors on the fly to prevent silent data corruption during everyday operation.

Behaviour under sustained load

The Registered architecture offloads the memory controller so all slots run fully populated at full capacity for extended periods. ECC continues to catch and correct errors before they reach production workloads. Builders who need a different capacity or a UDIMM form factor should consult the motherboard manual for approved population rules before purchase.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,115.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 48 GB
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $23.25 per GB
Pricier than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-4828K1
Total capacity48 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items48 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install this RDIMM in the Supermicro H14DSG-O-CPU, and which slot order does the manual require?

Power down the server, open the chassis, and insert the 288-pin DDR5 module into the DIMM slots specified by the motherboard manual for the H14DSG-O-CPU; the registered design means every populated slot must follow the exact population sequence or the system will not post at 4800 speed.

Will the ECC function or the registered buffer need any firmware updates or component swaps during the module's service life?

The on-die ECC and registered buffer are hardware features of the Samsung, Micron, or Hynix DRAM; no firmware flashes or part replacements are required — the module either corrects single-bit errors at 1.1 V or it is replaced under lifetime coverage.

What thermal or electrical limit appears first when this 48 GB kit runs at CL40 continuously under full load?

The 1.10 V operating voltage and registered architecture keep power draw within the DDR5 4800 specification, so the first constraint is the motherboard's memory-controller thermal envelope rather than the module itself.

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