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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM MR38400-618K8 128GB 8x16GB DDR5 4800 CL40 1.1V ECC RDIMM memory upgrade

SKU CH-TQEJ-0F3JT

128 GB DDR5 ECC registered server memory kit with eight 16 GB modules at 4800 MT/s, CL40, 1.1 V, validated for Supermicro H13SST-G

  • Capacity128GB (8 x 16GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 128GB 8X16GB

Show 24 more configurations
  • 128 GB total capacity from eight matched 16 GB modules
  • DDR5 4800 speed with CL40 latency for rated server performance
  • 10 V registered ECC design reduces controller load and corrects errors
  • 288-pin RDIMM form factor verified for Supermicro H13SST-G motherboard
  • Lifetime replacement warranty with US-based technical support included

Exact-fit DDR5 upgrade for Supermicro H13SST-G

This 128GB kit contains eight 16GB DDR5 RDIMMs rated at 4800MHz with CL40 latency and 1.1V operation. Registered ECC architecture matches the memory controller requirements so the system recognises the full capacity and runs at the rated speed without manual tuning.

Thermals noise and power draw

Modules operate at the standard DDR5 voltage of 1.1V and have no heat spreader, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all slots are populated, keeping power draw predictable under sustained workloads.

What the kit changes

ECC corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots in production environments. Registered design allows full population of every slot at the rated 128GB capacity, while the exact rank, voltage and timing specification eliminates compatibility guesswork during installation.

Highlights

  • 128 GB total capacity from eight matched 16 GB modules
  • DDR5 4800 speed with CL40 latency for rated server performance
  • 10 V registered ECC design reduces controller load and corrects errors
  • 288-pin RDIMM form factor verified for Supermicro H13SST-G motherboard
  • Lifetime replacement warranty with US-based technical support included

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-618K8
Capacity128GB (8 x 16GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content128GB 8X16GB DDR5 4800MHz PC5-38400 1Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 8x16GB DDR5 4800 RDIMM kit in my Supermicro H13SST-G, and which slot-population step is commonly missed?

Follow the motherboard manual's exact DIMM population order for 1Rx8 registered modules; the step often missed is filling slots in the prescribed sequence so the memory controller recognises all 128GB at the rated 4800 speed.

What maintenance or replacement will this 128GB DDR5 ECC RDIMM kit need during its service life?

No routine maintenance is required; the modules have no heat spreader and run at 1.1V, so replacement only occurs if a DIMM fails, at which point the lifetime replacement warranty covers a swap.

What limit appears first when the 8x16GB DDR5 4800 CL40 kit runs sustained workloads on the H13SST-G?

The primary limit is the DDR5-4800 bandwidth ceiling of PC5-38400; with all eight slots populated at 1Rx8, the memory controller reaches its maximum throughput before thermal or voltage constraints become a factor.

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