We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Eight green DDR5 RDIMM modules, bare circuit boards with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 1TB 8x128GB 4800 CL40 Supermicro H14SSL-NT

SKU CH-WAT6-92A6J

1TB server kit of eight 128GB DDR5 RDIMMs running at 4800MHz CL40 with ECC and registered buffering for the Supermicro H14SSL-NT motherboard

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 1TB 8X128GB

Show 24 more configurations
  • 1TB capacity with eight 128GB modules for maximum memory density
  • DDR5 4800 speed with CL40 latency for high-throughput server workloads
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1V operation at 2Rx4 rank matches Supermicro H14SSL-NT memory controller requirements
  • 288-pin RDIMM form factor ensures exact fitment in compatible Supermicro motherboards

Server-grade DDR5 ECC kit

This 1 TB kit delivers eight 128 GB DDR5-4800 registered ECC modules built for the Supermicro H14SSL-NT motherboard. Each stick runs at 1.1 V with CL40 timing and a 2Rx4 organisation so the memory controller sees the exact rank and voltage it expects. The 288-pin RDIMM form factor matches the board's slot requirements without adapters. Buyers needing UDIMM or SODIMM modules cannot use this kit.

Thermals and power draw

Registered architecture buffers the command and address signals which reduces electrical load on the memory controller when all slots are populated. Operating at 1.1 V keeps per-module power draw low even at full 1 TB capacity. No heat spreaders are fitted so airflow across the bare PCB is the only cooling path; ensure the chassis provides directed airflow over the DIMM bank.

Build and connectors

Major OEM Samsung Micron or Hynix DRAM chips are assembled on a standard 288-pin RDIMM PCB with gold edge contacts. The registered buffer chip sits on each module to maintain signal integrity across all eight slots. Installation follows the motherboard's prescribed population order; consult the Supermicro H14SSL-NT manual for the correct slot sequence before seating the modules.

Highlights

  • 1TB capacity with eight 128GB modules for maximum memory density
  • DDR5 4800 speed with CL40 latency for high-throughput server workloads
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1V operation at 2Rx4 rank matches Supermicro H14SSL-NT memory controller requirements
  • 288-pin RDIMM form factor ensures exact fitment in compatible Supermicro motherboards

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K8
Capacity1TB (8 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 Content1TB 8X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 288-pin RDIMM kit in the Supermicro H14SSL-NT and which population step is often missed?

Populate the 8 modules in the exact slot order shown in the board manual; the step most often missed is following the prescribed sequence so the memory controller initialises all 1TB at DDR5-4800.

What maintenance or replacement will the 1.1 V 2Rx4 ECC RDIMM kit need over its service life?

No routine maintenance is required; if a module fails the lifetime replacement warranty covers a direct swap of the defective 128 GB stick.

What limit appears first when the 8 x 128 GB kit runs sustained workloads at CL40?

The registered buffer and ECC logic keep every slot stable at the rated 4800 MT/s, so the first bound you hit is the platform’s maximum supported capacity rather than a memory-speed ceiling.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.