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 and gold contacts

NEMIX RAM

NEMIX RAM 64GB 4x16GB DDR5 4800 ECC RDIMM Supermicro H13SSW memory upgrade

SKU CH-EKWS-HQ1PQ

A 64GB DDR5-4800 ECC RDIMM kit of four 16GB modules at 1.1V CL40, registered for full-capacity stability on the Supermicro H13SSW motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 4X16GB

Show 24 more
  • 64 GB total capacity from four 16 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • ECC and registered design corrects errors and stabilises full population
  • 288-pin RDIMM form factor matches Supermicro H13SSW requirements
  • Built with major OEM chips from Samsung Micron or Hynix

Exact-fit DDR5 upgrade for Supermicro H13SSW

This 64 GB kit contains four 16 GB DDR5-4800 registered ECC RDIMMs built to the precise 1Rx8, 1.1 V, CL40 specification the H13SSW memory controller expects. Each module is a 288-pin RDIMM using major OEM DRAM from Samsung, Micron or Hynix so the server recognises the full capacity and runs at its rated speed without manual tuning.

Thermals noise and power in normal operation

Registered buffering offloads the memory controller, allowing all four slots to run fully populated at the rated 1.1 V without extra voltage overhead. The modules carry no heat spreaders, relying on standard server airflow to keep temperatures in check while the ECC function corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots.

What the kit contents change for the installer

The package delivers exactly four matched RDIMMs and nothing else — no cables, brackets, software licences or configuration tools. Because the kit matches the board’s population rules, the installer simply follows the motherboard manual’s slot order, seats the modules and powers on; no additional parts or downloads are required to reach the rated 64 GB at DDR5-4800.

How it compares

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

Price $1,829.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.59 per GB
Pricier than about 81% 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 numberMR38400-618K4
Total capacity64 GB (4 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 4 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 4x16GB DDR5 4800 RDIMM kit into the Supermicro H13SSW and which population step is often missed?

Populate all four 288-pin slots following the motherboard manual's exact DIMM order; the step most often missed is verifying the 1Rx8 registered ECC modules are seated in the correct channel sequence for full 64GB recognition.

What maintenance or replacement will the 1.1V DDR5 ECC RDIMMs need over their service life?

No routine maintenance is required; ECC corrects single-bit errors automatically, and the modules are covered by a lifetime replacement warranty if a hardware fault ever develops.

What limit appears first when the 64GB kit runs sustained workloads at CL40?

The DDR5-4800 memory controller throughput ceiling is reached before thermal throttling, since the modules have no heat spreaders and operate at the standard 1.10V.

More in Model-Specific Memory Upgrades

Similar items