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Six green DDR5 RDIMM modules with black chips, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 768GB DDR5 4800 6x128GB ECC RDIMM Supermicro H14SST-G memory upgrade

SKU CH-ER25-T8AC2

Six 128 GB DDR5 ECC registered DIMMs deliver 768 GB at 4800 MT/s with CL40 latency and 1.1 V operation for the Supermicro H14SST-G motherboard

  • Capacity768GB (6 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 768GB 6X128GB

Show 30 more configurations
  • 768 GB total capacity from six 128 GB modules for maximum memory density
  • DDR5 4800 speed with CL40 latency delivers rated performance on the Supermicro H14SST-G
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 1 V operation matches the platform specification for reliable power efficiency
  • 288-pin RDIMM form factor ensures exact mechanical and electrical fit in every slot

Supermicro H14SST-G 768GB Kit

This 768GB memory kit contains six 128GB DDR5 registered ECC RDIMMs built for the Supermicro H14SST-G motherboard. It targets administrators who need the full 768GB capacity in a single validated package.

DDR5 4800 Registered ECC Limits

The modules run at DDR5 4800 with CL40 latency and 1.1V. Registered buffering allows all slots to be populated without overloading the memory controller, while ECC corrects single-bit errors. The board must accept 2Rx4 RDIMMs at this speed and voltage.

6 x 128GB 2Rx4 Population Rule

The kit delivers 768GB only when the H14SST-G supports six 128GB dual-rank modules in the required population order. If the manual limits rank count per channel or total capacity per socket, the full kit will not be recognised.

Highlights

  • 768 GB total capacity from six 128 GB modules for maximum memory density
  • DDR5 4800 speed with CL40 latency delivers rated performance on the Supermicro H14SST-G
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated channels
  • 1 V operation matches the platform specification for reliable power efficiency
  • 288-pin RDIMM form factor ensures exact mechanical and electrical fit in every slot

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K6
Capacity768GB (6 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content768GB 6X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Should I choose the 6 x 128 GB kit or a different capacity for the Supermicro H14SST-G?

The kit supplies 768 GB total across six 128 GB RDIMMs, matching the board's DDR5 4800 registered ECC requirements for full-capacity operation.

What does the DDR5 4800 rating mean once the modules are installed in the server?

The modules run at the DDR5 4800 data rate with CL40 latency at 1.10 V, delivering the exact speed and timing the memory controller expects.

How does the 288-pin RDIMM interface affect what I can populate on the motherboard?

The 288-pin registered DIMM form factor is the only type the H14SST-G accepts; UDIMM or SODIMM modules will not fit or function.

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