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Six green DDR5 RDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 768GB (6×128GB) DDR5 6400 CL52 ECC RDIMM Supermicro H14SST-GE

SKU CH-NABT-M2NRM

A 768GB DDR5 ECC registered RDIMM kit (6×128GB) validated for Supermicro H14SST-GE, running at 6400 MT/s CL52 1.1V 2Rx4 for full-capacity stability

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Full 768 GB capacity recognised at DDR5-6400 speed
  • 2Rx4 registered ECC design prevents silent data corruption
  • 10 V operation matches server memory-controller spec
  • 288-pin RDIMM form factor fits Supermicro H14SST-GE slots
  • Lifetime replacement warranty with US-based technical support

Exact-match 768 GB DDR5 kit for Supermicro H14SST-GE

This 6×128 GB RDIMM kit delivers 768 GB of DDR5-6400 registered ECC memory. Each module runs at 1.1 V with CL52 timing and a 2Rx4 organisation. The 288-pin form factor matches the board's memory slots precisely.

Suited for servers filling every slot

Builders who need maximum capacity on this specific motherboard and rely on error correction for data integrity will benefit. Systems requiring unbuffered UDIMMs, SODIMMs, or non-ECC modules cannot use this kit.

Frees the memory controller

Registered architecture reduces electrical load so all six slots operate at rated speed. ECC corrects single-bit errors automatically. Verify the motherboard manual for approved population order and maximum supported capacity before installation.

How it compares

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

Price $26,154.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $34.06 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 numberMR51200-724K6
Total capacity768 GB (6 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB 6 × 128 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the Supermicro H14SST-GE motherboard need all six DDR5 RDIMM slots free for this 768GB kit?

The kit contains six 128GB modules, so six 288-pin DDR5 RDIMM slots must be available and populated in the order the board manual specifies.

Will the 2Rx4 registered ECC modules run at DDR5-6400 CL52 alongside older DDR5 RDIMMs already installed in the same server?

Mixing ranks, speeds or timings can force the memory controller to downclock all channels; the manufacturer recommends identical 2Rx4 CL52 1.10V modules for stable full-speed operation.

How can I confirm the kit is detected at 768GB running at DDR5-6400 CL52 after installation?

Check the BIOS memory information screen or run a tool such as dmidecode; it should report six 128GB DDR5-6400 registered ECC DIMMs at 1.10V with CAS latency 52.

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