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Twelve green DDR5 RDIMM modules in anti-static packaging

NEMIX RAM

NEMIX RAM DDR5 5600 ECC RDIMM 1.5TB 12x128GB Supermicro H14SST-G memory upgrade

SKU CH-4WM4-K9A79

1.5 TB DDR5-5600 registered ECC kit with twelve 128 GB modules at 1.1 V CL46 for Supermicro H14SST-G

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 5TB total capacity from twelve 128GB modules
  • DDR5 5600 speed with CL46 latency at 1.1V
  • ECC and registered design prevents data errors
  • 288-pin RDIMM form factor fits Supermicro H14SST-G
  • Lifetime replacement warranty with US-based technical support

1.5TB DDR5 ECC RDIMM Kit

This NEMIX RAM kit provides 1.5TB of DDR5 memory across twelve 128GB Registered ECC RDIMM modules. It is built for the Supermicro H14SST-G motherboard and operates at DDR5 5600 with CL46 latency and 1.1V voltage. The 2Rx4 registered design allows full population of all slots at rated speed.

Suited for full-capacity server upgrades

This kit suits administrators upgrading a compatible Supermicro H14SST-G system to its maximum supported memory using matched, registered ECC modules. It is not for systems that require unbuffered UDIMMs or SODIMM form factors. Builders needing lower capacities or non-ECC memory should look elsewhere.

DDR5 5600 Registered ECC specification

The decisive specification is the DDR5 5600 (PC5-44800) registered ECC RDIMM standard with 2Rx4 organisation and 1.1V operation. The motherboard must support this exact speed, voltage, rank structure and registered buffer type. Verify the H14SST-G manual for approved population rules before installation.

How it compares

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

Price $47,772.99
Pricier than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $31.85 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 numberMR44800-724K12
Total capacity1.5 TB (12 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1.5 TB 12 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will these 288-pin DDR5 RDIMMs fit the memory slots on my Supermicro H14SST-G motherboard?

Yes, the kit is verified for the Supermicro H14SST-G and uses the 288-pin RDIMM form factor that board requires.

What is the correct order to populate all 12 modules so the server recognises the full 1.5 TB?

Follow the motherboard manual's population sequence; the kit matches the board's registered ECC requirements but the exact slot order is model-specific.

Do these Samsung, Micron or Hynix based modules need any firmware updates or periodic reseating over their service life?

No firmware updates are required for the memory itself; ECC corrects single-bit errors automatically and registered buffering maintains signal integrity without reseating.

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