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Sixteen green DDR5 RDIMM modules in static bags

NEMIX RAM

NEMIX RAM 256GB (16×16GB) DDR5 4800 CL40 1Rx8 ECC Registered RDIMM Supermicro H13DSG-OM memory upgrade

SKU CH-CZ8H-PKNBZ

A 256GB kit of sixteen 16GB DDR5 4800 CL40 registered ECC RDIMMs built for the Supermicro H13DSG-OM motherboard

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 16X16GB

Show 30 more
  • 256 GB total capacity from sixteen 16 GB modules
  • DDR5-4800 speed with CL40 latency for rated throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the motherboard's memory-controller spec
  • 288-pin RDIMM form factor fits the Supermicro H13DSG-OM slots

NEMIX RAM 256GB DDR5 ECC RDIMM kit

This 256GB kit contains sixteen 16GB DDR5 4800 Registered ECC RDIMMs built for the Supermicro H13DSG-OM motherboard. Each module runs at 1.1V with CL40 latency and a 1Rx8 organization. The registered design allows full population of every slot while ECC corrects single-bit errors to protect data integrity in production workloads.

Upgrade from partial or lower-capacity DDR5 RDIMM

Replacing a smaller kit or mixed-capacity DIMMs with this matched 16-module set ensures the memory controller sees identical rank, voltage and timing across all channels. The jump is worth it when your workloads need the full 256GB at the board's native DDR5 4800 speed without down-clocking or population errors.

Verify DIMM population rules

Consult the H13DSG-OM manual for the approved installation sequence and maximum supported capacity per channel. Confirm the board requires 288-pin Registered DDR5 RDIMMs and not UDIMM or SODIMM variants. Ensure your BIOS revision supports 16-module operation at the rated CL40 timing.

How it compares

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

Price $7,050.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (16 × 16 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $27.54 per GB
Pricier than about 77% 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 numberMR38400-618K16
Total capacity256 GB (16 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 16 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 288-pin RDIMM modules fit the Supermicro H13DSG-OM motherboard slots?

Yes, this kit uses the 288-pin DDR5 RDIMM form factor required by the Supermicro H13DSG-OM motherboard, not UDIMM or SODIMM.

What is the correct installation sequence for all 16 modules on this board?

Consult the Supermicro H13DSG-OM manual for the approved DIMM population order; fully populated servers often require specific slot filling per channel to boot at rated speed.

When should the registered ECC modules be replaced in a production server?

Replace modules if ECC logs show rising correctable error counts, if the system reports uncorrectable errors, or during planned hardware refresh cycles to maintain data integrity.

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