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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM MR38400-724K16 2TB 16x128GB DDR5 4800MHz CL40 1.1V ECC Registered RDIMM memory upgrade

SKU CH-98N7-MZHRA

A 2 TB DDR5 server memory kit of sixteen 128 GB registered ECC RDIMMs running at 4800 MHz with CL40 latency and 1.1 V operation, validated for the Supermicro H14DSG-O-CPU motherboard

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 2TB 16X128GB

Show 30 more
  • 2TB capacity with 16 matched 128GB modules for full server population
  • DDR5 4800 speed and CL40 latency deliver rated bandwidth for demanding workloads
  • Registered ECC architecture offloads the controller and corrects single-bit errors automatically
  • 1V operation reduces power draw across all 16 DIMMs in dense configurations
  • Verified fit for Supermicro H14DSG-O-CPU with 288-pin RDIMM form factor

Exact-match DDR5 upgrade

This 2 TB kit contains 16 modules of 128 GB DDR5-4800 ECC Registered RDIMM. It is built for the Supermicro H14DSG-O-CPU motherboard and matches the rank, voltage and timing that board expects. Every stick runs at the rated 4800 MT/s speed when fully populated.

Replaces partial or mismatched kits

When a server runs with fewer than 16 modules or mixes ranks and speeds the memory controller often down-clocks or limits capacity. Installing this matched 16-piece kit restores full 2 TB capacity at CL40 and 1.1 V across all slots without manual tuning.

Suits admins scaling one H14DSG-O-CPU system

The kit is designed for administrators who need maximum registered ECC capacity on this specific Supermicro platform. Builders targeting other motherboards, consumer platforms or unbuffered memory should verify their manual first because population rules and form factor differ.

How it compares

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

Price $63,102.99
Pricier than about 98% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $31.55 per GB
Pricier than about 90% 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 numberMR38400-724K16
Total capacity2 TB (16 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items2 TB 16 × 128 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will these 288-pin DDR5 RDIMMs fit the Supermicro H14DSG-O-CPU motherboard slots?

Yes, the 288-pin Registered DDR5 form factor matches the H14DSG-O-CPU DIMM sockets exactly; the kit is verified for that board.

What population order should I follow when installing all 16 modules on the H14DSG-O-CPU?

Fill the slots in the sequence shown in the Supermicro H14DSG-O-CPU manual — typically one DIMM per channel per CPU first, then the second rank — to ensure the board trains at 4800 MHz.

Do the Samsung, Micron or Hynix chips on these RDIMMs require any firmware updates or periodic maintenance?

No firmware updates are needed for the DRAM; the modules are sealed with no heat spreader, so only standard server dust cleaning and ECC error-log monitoring apply.

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