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Twelve green DDR5 RDIMM modules in a row, bare chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 4800 ECC Registered RDIMM 384GB 12x32GB CL40 1.1V 2Rx8 Supermicro H13DSG-OM memory upgrade

SKU CH-79QQ-RZRKV

A 384 GB DDR5 server memory kit with twelve 32 GB registered ECC RDIMMs running at 4800 MT/s, CL40, 1.1 V, validated for the Supermicro H13DSG-OM motherboard

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 12X32GB

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  • 384 GB total capacity with twelve 32 GB modules for maximum server density
  • DDR5 4800 speed rated at CL40 latency for responsive data throughput
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operating voltage matches platform specifications for efficient power draw
  • Verified compatibility with Supermicro H13DSG-OM motherboard for guaranteed recognition

Exact-match server kit

This NEMIX RAM kit delivers 384GB across twelve 32GB DDR5 RDIMM modules rated at 4800 MT/s with CL40 latency and 1.1V operation. It is built for the Supermicro H13DSG-OM motherboard and targets administrators who need the full registered ECC capacity that board supports.

Sustained-load behaviour

Registered buffering removes electrical load from the memory controller so all twelve slots stay stable at the rated 4800 MT/s during continuous workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots under heavy, long-running jobs.

Installation notes

The 288-pin RDIMM form factor fits only the DIMM slots specified in the H13DSG-OM manual; UDIMM or SODIMM modules will not seat. Population order and maximum per-channel limits vary by BIOS revision, so verify the approved configuration before installing the twelve-module kit.

How it compares

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

Price $9,623.99
Pricier than about 87% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $25.06 per GB
Pricier than about 70% 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 numberMR38400-328K12
Total capacity384 GB (12 × 32 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 items384 GB 12 × 32 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 much heat and power does the 1.1V DDR5 kit add when all 12 modules run continuously?

Each module operates at 1.1V, the standard DDR5 voltage, and the registered design reduces electrical load on the memory controller during full 384GB population.

What motherboard and slot type must I already have for this 288-pin RDIMM kit to function?

The kit requires a Supermicro H13DSG-OM motherboard with 288-pin DDR5 RDIMM slots and a memory controller that supports registered ECC DIMMs.

Will the CL40 registered ECC modules populate every slot on the H13DSG-OM alongside any existing RDIMMs I keep?

The 2Rx8 rank and 1.1V specification match the board's population rules, allowing full 12-module installation when the manual's approved DIMM order is followed.

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