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 modules in a row

NEMIX RAM

NEMIX RAM 128GB (8×16GB) DDR5 4800 CL40 ECC RDIMM Server Memory Upgrade

SKU CH-T32C-BZ1WW

Eight 16 GB DDR5 modules deliver 128 GB of ECC registered server memory at 4800 MT/s with CL40 latency and 1.1 V operation

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity from eight 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM design for server data integrity
  • 1 V operating voltage for efficient power use
  • Validated for SuperMicro SYS-221HE-FTNR, SYS-221HE-FTNRD, SYS-221HE-TNR systems

128GB DDR5 4800 ECC RDIMM kit

This NEMIX RAM kit supplies 128GB of DDR5 registered ECC memory across eight 16GB modules. It runs at 4800MT/s with CL40 latency at 1.1V. The modules are 288-pin RDIMMs built with major OEM chips and qualified for Supermicro IOT SuperServer systems including SYS-221HE-FTNR, SYS-221HE-FTNRD and SYS-221HE-TNR.

Server builders needing registered ECC memory

The kit suits administrators upgrading or populating the listed Supermicro platforms where registered DIMMs with error correction are required. It does not suit desktop or workstation boards that accept only unbuffered non-ECC UDIMMs, nor systems limited to lower DDR5 speeds or different pin counts.

Eight-module 128GB capacity at 4800MT/s

The single deciding specification is the 128GB total capacity delivered as eight 16GB registered ECC RDIMMs operating at DDR5 4800. If the target server demands a different module count, rank configuration or speed grade, this kit will not match the qualified memory list.

How it compares

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

Price $3,175.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.81 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-618K8
Total capacity128 GB (8 × 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
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (8 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will this 128GB DDR5 4800 kit run alongside my existing DDR5 RDIMMs in the SuperMicro SYS-221HE-FTNR?

Yes, if the installed modules are also DDR5 4800 CL40 1Rx8 1.10V RDIMMs; matching speed, latency, rank and voltage keeps the memory controller in a single timing domain.

How can I verify the 128GB kit is detected and ECC is active after installation?

Enter the system BIOS or UEFI; the memory information screen should show 128 GB total, DDR5 4800 MT/s, and ECC status as enabled or active.

What comes in the box and do I need any extra parts for the SuperMicro SYS-221HE-FTNR?

The box contains eight 16 GB DDR5 4800 CL40 288-pin ECC RDIMM modules; no additional components are required for the listed SuperMicro servers.

More in Model-Specific Memory Upgrades

Similar items