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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 96GB 2x48GB DDR5 4800 ECC RDIMM CL40 2Rx8 1.1V 288-pin Supermicro H13DSG-O-CPU-D memory upgrade

SKU CH-XHXN-BY9Y9

96 GB DDR5-4800 ECC registered server kit in two 48 GB 2Rx8 modules at 1.1 V CL40 for Supermicro H13DSG-O-CPU-D

  • Total capacity96 GB (2 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 96GB 2X48GB

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  • 96 GB total capacity from two 48 GB modules for high-density server workloads
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for Supermicro H13DSG-O-CPU-D
  • Registered ECC architecture corrects single-bit errors and buffers signals for full-slot stability
  • 1 V operating voltage matches platform spec for efficient power draw
  • 288-pin RDIMM form factor ensures exact mechanical and electrical fit in the target motherboard

Exact DDR5-4800 upgrade for Supermicro

This 96GB kit delivers two 48GB DDR5-4800 Registered ECC RDIMMs built to the board's required 288-pin form factor. The CL40 1.1V 2Rx8 specification matches the memory controller so the system recognises full capacity at rated speed. It is intended for administrators who need a validated, single-SKU memory expansion for this specific Supermicro server platform.

Registered ECC stability under sustained load

Registered buffering offloads the memory controller so every slot runs fully populated without signal degradation during continuous operation. On-die ECC detects and corrects single-bit errors in real time, preventing silent data corruption and unplanned reboots that would interrupt production workloads. The 1.1V operating voltage maintains consistent power draw across extended duty cycles.

Guided installation with population rules

The 288-pin RDIMMs seat in the motherboard's DDR5 DIMM slots, but the Supermicro H13DSG-O-CPU-D enforces a strict population order that must be followed from the system manual. Installing modules in the wrong sequence or mixing ranks will cause the board to halt at POST or report reduced capacity. Verify the approved slot layout and maximum supported density per channel before fitting the kit.

How it compares

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

Price $2,205.99
Pricier than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 96 GB (2 × 48 GB)
Higher than about 65% of the 20,941 comparable items (median 32 GB).
Price per GB $22.98 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 numberMR38400-4828K2
Total capacity96 GB (2 × 48 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 items96 GB 2 × 48 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Does the 1.1 V DDR5-4800 kit generate noticeably more heat when the server runs at full load all day?

The modules operate at the standard DDR5 voltage of 1.1 V and have no heat spreader, so thermal output matches typical registered DDR5 DIMMs; ensure your chassis airflow follows Supermicro's population guidelines.

What must the Supermicro H13DSG-O-CPU-D motherboard already provide for this 2Rx8 RDIMM kit to function?

The board needs DDR5 RDIMM slots that support registered ECC memory at 4800 MT/s, 1.1 V operation, and the correct population sequence for 2Rx8 modules as detailed in the motherboard manual.

Will the CL40 DDR5-4800 modules run at rated speed alongside other DDR5 RDIMMs I keep in the remaining slots?

All installed DDR5 RDIMMs must share the same voltage, registered ECC design, and supported speed; the motherboard will train every slot to the lowest common timing, so matching CL40 4800 MT/s modules is recommended.

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