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
Two green DDR5 RDIMM sticks without heat spreaders, 288-pin, 128GB each

NEMIX RAM

NEMIX RAM 256GB 2x128GB DDR5 5600 PC5-44800 CL46 2Rx4 1.1V ECC Registered RDIMM Kit Supermicro H14DSG-O-CPU

SKU CH-G54D-QC7X9

A 256 GB DDR5-5600 registered ECC kit with two 128 GB modules built for the Supermicro H14DSG-O-CPU motherboard

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 2X128GB

Show 30 more
  • 256 GB kit runs at full DDR5-5600 speed
  • Registered ECC design prevents silent data errors
  • 2Rx4 rank layout matches controller expectations
  • 1 V operation meets server power envelope
  • Exact fit for Supermicro H14DSG-O-CPU motherboard

Exact-match DDR5 RDIMM kit

This 256GB kit contains two 128GB DDR5 5600 PC5-44800 registered ECC RDIMMs built to the precise rank, voltage and timing the Supermicro H14DSG-O-CPU memory controller expects. The 2Rx4 organisation and 1.1V operation allow every populated slot to run at the rated 5600 speed without down-clocking.

Replaces mismatched or lower-capacity DIMMs

Upgrading from smaller RDIMMs or mixed-rank modules removes the population limits that force empty slots or reduced frequencies. The jump is worth it when the workload needs the full 256GB address space and the board’s qualified-vendor list calls for CL46 2Rx4 registered parts.

256GB registered ECC headroom

The dual-rank registered architecture offloads the memory controller so all channels stay fully populated at 5600 MT/s while ECC corrects single-bit errors on the fly. Capacity runs out when the application dataset exceeds 256GB or when the platform’s maximum supported memory per socket is lower than the installed total.

How it compares

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

Price $8,664.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $33.85 per GB
Pricier than about 90% 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 numberMR44800-724K2
Total capacity256 GB (2 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 2 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

Will the 288-pin RDIMM modules fit the Supermicro H14DSG-O-CPU motherboard slots?

Yes, the kit uses the exact 288-pin DDR5 RDIMM form factor that the board requires; it is not a UDIMM or SODIMM.

What is the correct population order when installing both 128GB modules?

Consult the motherboard manual for the approved DIMM population sequence; the board's memory-controller rules dictate which slots must be filled first.

Do these registered ECC modules need any firmware updates or battery replacements over time?

No, the RDIMMs have no onboard firmware or battery; ECC error correction and registered buffering are handled by the memory controller during normal operation.

More in Model-Specific Memory Upgrades

Similar items