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

NEMIX RAM

NEMIX RAM DDR5 512GB (4x128GB) 4800MHz CL40 ECC Registered RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-7MZX-FM6VS

A 512 GB registered ECC DDR5 kit built for the Supermicro H14SSL-N motherboard

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 512GB 4X128GB

Show 24 more configurations
  • 512GB total capacity from four 128GB modules for maximum server density
  • DDR5 4800 speed matches the Supermicro H14SSL-N controller for rated performance
  • Registered ECC design corrects single-bit errors and offloads the memory controller
  • 1V operation at CL40 latency meets the board's exact voltage and timing requirements
  • 288-pin RDIMM form factor fits the H14SSL-N slots without adapters or mismatches

Capacity and purpose

This 512 GB kit contains four 128 GB DDR5 registered ECC RDIMMs built for the Supermicro H14SSL-N motherboard. It targets server administrators who need maximum supported memory in a single validated package.

Fit and integration

Each module uses the 288-pin RDIMM form factor with 2Rx4 organisation and runs at 1.1 V, matching the board's electrical and population rules. The registered buffer lets every slot run fully populated while ECC corrects single-bit errors before they affect workloads.

Sustained operation

Rated at DDR5-4800 with CL40 timings, the kit maintains its specified speed and stability under continuous multi-threaded load. Registered architecture reduces electrical stress on the memory controller during extended full-capacity operation.

Highlights

  • 512GB total capacity from four 128GB modules for maximum server density
  • DDR5 4800 speed matches the Supermicro H14SSL-N controller for rated performance
  • Registered ECC design corrects single-bit errors and offloads the memory controller
  • 1V operation at CL40 latency meets the board's exact voltage and timing requirements
  • 288-pin RDIMM form factor fits the H14SSL-N slots without adapters or mismatches

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K4
Capacity512GB (4 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 Content512GB 4X128GB 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

Will the 4800 MHz DDR5-4800 speed hold steady across all four slots under sustained load?

The kit runs at the rated 4800 MHz PC5-38400 speed with CL40 latency when fully populated; registered architecture keeps every slot stable at that frequency.

How much heat and power should I expect from the 1.1 V 2Rx4 modules running 24/7?

Each 128 GB module operates at 1.1 V without a heat spreader; registered buffering reduces controller load, keeping thermals and draw low in continuous server operation.

Does my Supermicro H14SSL-N need a specific BIOS revision or CPU to recognise the full 512 GB kit?

The modules are validated for the H14SSL-N motherboard; consult the board manual for approved population order and any firmware requirements before installing all four DIMMs.

Also in this aisle

People compared these

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