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
Green rectangular DDR5 RDIMM circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 PC5-38400 4Rx4 CL40 1.1V ECC RDIMM SuperMicro Server memory upgrade

SKU CH-W6MW-PF0JH

A 128GB DDR5 4800 registered ECC RDIMM module built for SuperMicro X13 servers

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity expands server memory for heavy workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design protects data integrity in mission-critical systems
  • 1 V operation reduces power draw in dense configurations
  • Validated for SuperMicro SYS-211E and X13SEM platforms

128GB DDR5 4800 ECC RDIMM

This 128GB DDR5 4800 registered DIMM delivers ECC error correction for SuperMicro server platforms. It operates at 1.1V with CL40 latency and a 4Rx4 organisation. The module uses major OEM DRAM chips and fits 288-pin DDR5 slots.

Who this suits; who should look elsewhere

IT teams upgrading SuperMicro SYS-211E-FRN2T, SYS-211E-FRDN2T or X13SEM series SuperServers with validated ECC memory. Builders needing non-ECC UDIMMs, lower capacities, different speeds or consumer motherboard compatibility should choose another module.

Deciding specification: 128GB 4Rx4 registered ECC

The single spec that decides fit is the 128GB 4Rx4 registered ECC DDR5 4800 configuration. Only systems qualified for this exact density, rank structure and registered signalling will accept the module.

How it compares

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

Price $4,043.99
Pricier than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $31.59 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-744K1
Total capacity128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (1 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the SuperMicro SYS-211E-FRN2T need a specific BIOS revision before installing this 128GB DDR5 4800 CL40 module?

The module runs at 1.1V with CL40 timing; consult the SYS-211E-FRN2T manual for the minimum BIOS version that supports 4800 MT/s DDR5 RDIMMs.

Will this 288-pin 4Rx4 registered stick operate correctly alongside existing 4800 MHz RDIMMs already in the server?

Yes, matching speed, voltage and registered ECC design allows mixed population; follow the motherboard population rules for 4Rx4 modules.

How can I confirm the module is detected at 4800 MT/s with ECC active after installation?

Check the BIOS memory information screen for 4800 MT/s, 1.10V, CL40 and ECC enabled, then run a memory diagnostic to verify stability.

More in Model-Specific Memory Upgrades

Similar items