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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 1.5TB 12x128GB 6400MHz CL52 Supermicro H14SSF memory upgrade

SKU CH-R66H-3ZS5J

1.5 TB DDR5 ECC RDIMM kit with twelve 128 GB modules at 6400 MHz CL52 for Supermicro H14SSF

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 5 TB total capacity from 12 modules of 128 GB each
  • DDR5 6400 speed (PC5-51200) with CL52 latency for rated performance
  • Registered ECC architecture offloads the controller and corrects single-bit errors on the fly
  • 2Rx4 rank and 1.1 V spec-matched to Supermicro H14SSF population rules
  • 288-pin RDIMM form factor fits the board's memory slots exactly

Supermicro H14SSF DDR5 kit

This 1.5TB memory kit contains twelve 128GB modules built for the Supermicro H14SSF motherboard. It targets administrators who need maximum registered ECC capacity in a single server platform.

288-pin RDIMM form factor

Only a 288-pin Registered DIMM matches the board's memory slots; UDIMM or SODIMM modules will not fit or function. The kit supplies the exact registered architecture the platform requires.

12x128GB at DDR5-6400 CL52

Fully populated, the kit delivers 1.5TB at 6400MT/s with CL52 latency and 1.1V operation. Capacity scales to the board's 12-slot limit; larger configurations would need a different motherboard.

How it compares

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

Price $56,741.99
Pricier than about 97% 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 $37.83 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 numberMR51200-724K12
Total capacity1.5 TB (12 × 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 items1.5 TB 12 × 128 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

What does the 1.5 TB total capacity mean for a Supermicro H14SSF running a full 12-module kit?

The kit fills all 12 slots with 128 GB registered ECC RDIMMs so the board sees the full 1.5 TB at DDR5-6400 without down-clocking.

How does the PC5-51200 rating translate to real throughput on this DDR5-6400 registered ECC kit?

PC5-51200 is the JEDEC data-rate designation for DDR5-6400; each module runs at that speed when the H14SSF memory controller is fully populated.

What physical slot and clearance requirements do these 288-pin RDIMMs have?

They need 12 standard 288-pin DDR5 RDIMM sockets with no heat-spreader height restriction; the H14SSF provides exactly that layout.

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