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 sticks in a row, no heat spreaders, gold edge connectors visible

NEMIX RAM

NEMIX RAM 256GB (8×32GB) DDR5 6400 CL52 1.1V 2Rx8 ECC Registered RDIMM memory upgrade

SKU CH-7QFZ-372CG

256 GB DDR5-6400 ECC Registered RDIMM kit validated for the Supermicro H14DSH motherboard

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes
  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design offloads the memory controller and corrects single-bit errors
  • 288-pin RDIMM form factor matches Supermicro H14DSH motherboard requirements
  • Built with major-brand Samsung Micron or Hynix DRAM chips

Supermicro H14DSH DDR5 upgrade kit

This 256 GB kit contains eight 32 GB DDR5-6400 Registered ECC RDIMMs built for the Supermicro H14DSH motherboard. The modules arrive new and are validated to match the board's memory-population rules so every slot is recognised at full capacity. System administrators expanding memory on this platform can install the kit without guessing rank, voltage or timing.

Registered ECC RDIMM form factor

The 288-pin Registered (RDIMM) design is the single specification that decides fitment; the H14DSH requires RDIMMs and will not accept UDIMM or SODIMM modules. Each stick runs at 1.1 V with CL52 latency and a 2Rx8 organisation, exactly as the memory controller expects. Buyers whose boards need unbuffered or lower-density DIMMs cannot use this kit.

Sustained enterprise workloads

Registered buffering offloads the memory controller so all eight slots operate fully populated at rated speed during continuous operation. On-die ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots under long-running server loads. The modules have no heat spreader and rely on chassis airflow for thermal management.

Highlights

  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design offloads the memory controller and corrects single-bit errors
  • 288-pin RDIMM form factor matches Supermicro H14DSH motherboard requirements
  • Built with major-brand Samsung Micron or Hynix DRAM chips

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-328K8
Capacity256GB (8 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 8X32GB DDR5 6400MHz PC5-51200 2Rx8 1.1V 288-PIN ECC RDIMM KIT

Questions about this item

What does the DDR5 6400 CL52 rating mean for actual throughput on a Supermicro H14DSH?

The modules operate at 6400 MT/s with CL52 latency and 1.10 V, delivering the rated PC5-51200 bandwidth when the board's memory controller runs all eight slots fully populated.

How does the registered ECC RDIMM interface affect stability and slot population?

Registered buffering reduces electrical load on the controller so every slot can run at full speed, while ECC detects and corrects single-bit errors to prevent silent data corruption.

Will these 288-pin RDIMMs fit the H14DSH without clearance issues?

Yes, they use the standard 288-pin DDR5 RDIMM form factor with no heat spreader, matching the H14DSH's DIMM slots and population rules exactly.

Also in this aisle

People compared these

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