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 in a row

NEMIX RAM

NEMIX RAM DDR5-4800 256GB (4×64GB) ECC RDIMM CL40 1.1V Supermicro H14DSG-O-CPU

SKU CH-57WR-3PVF4

256 GB DDR5-4800 ECC registered kit in four 64 GB modules at CL40 and 1.1 V for Supermicro H14DSG-O-CPU servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 4X64GB

Show 30 more
  • 256 GB total capacity from four 64 GB modules for dense server workloads
  • DDR5-4800 speed with CL40 latency matches the board's rated timing
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller
  • 1 V operating voltage reduces power draw across fully populated slots
  • Verified fit for Supermicro H14DSG-O-CPU using 288-pin RDIMM form factor

Capacity and fit

This 256GB kit contains four 64GB DDR5 ECC Registered RDIMMs built for the Supermicro H14DSG-O-CPU motherboard. The modules arrive new and are intended for servers that require registered memory with error correction.

Decisive specification

The kit runs at DDR5-4800 with a CL40 latency at 1.1V using a 2Rx4 rank structure. This exact speed, voltage, timing and rank combination is what the board's memory controller expects for full-capacity recognition and rated operation.

Thermals and power

Modules operate at the standard 1.1V DDR5 voltage without a heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, keeping power draw steady across all four populated slots.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $6,297.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $24.60 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-924K4
Total capacity256 GB (4 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 4 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

How does DDR5-4800 CL40 perform once installed in the Supermicro H14DSG-O-CPU?

The kit runs at the rated 4800 MT/s with CL40 timings at 1.1 V, giving the memory controller exactly the speed and latency it expects for full-capacity operation across all populated slots.

What does the 288-pin RDIMM interface limit in practice?

The 288-pin Registered DIMM form factor is required by the board; it will not accept UDIMM or SODIMM modules, and the registered buffer lets every slot run fully populated at the rated speed.

What physical clearance does the 4×64 GB kit need to fit?

Each module is a standard-height 288-pin RDIMM without a heat spreader, so it fits the motherboard's DIMM slots and works within the server chassis clearance specified for that form factor.

More in Model-Specific Memory Upgrades

Similar items