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 (8x16GB) DDR5 4800 CL40 ECC RDIMM SuperMicro Compatible memory upgrade

SKU CH-JQ3B-BXAE5

Eight 16 GB DDR5 registered ECC modules totalling 128 GB at 4800 MT/s CL40 for SuperMicro X13SEW motherboards

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128GB total capacity with eight 16GB modules
  • DDR5 4800 speed rated at PC5-38400
  • ECC registered RDIMM for data integrity
  • CL40 latency at 1.10V operating voltage
  • Validated for SuperMicro X13SEW-TF and X13SEW-F motherboards

Server-Ready DDR5 Kit

This 128GB kit delivers eight 16GB registered DDR5 modules built for SuperMicro X13SEW-TF and X13SEW-F motherboards. It targets administrators and integrators who need ECC-protected capacity in a single validated package.

Registered ECC Integration

Each module operates at 1.10V with a CL40 latency and a 1Rx8 organisation, requiring a platform that supports registered DDR5 DIMMs. The registered design reduces electrical load on the memory controller, freeing signal integrity headroom for fully populated channels.

128GB Capacity Boundaries

The eight-module set fills every slot on compatible two-socket boards, providing 128GB of error-correcting memory for virtualisation hosts and database workloads. Expanding beyond this total demands a motherboard with additional memory channels or higher-density RDIMMs.

How it compares

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

Price $3,152.99
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 $24.63 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 the 1.1 V operating voltage limit stability under sustained load?

The kit runs at the standard DDR5 1.10 V, so voltage is not a limiting factor for continuous operation.

How much heat does the 128 GB kit generate when running all day?

Modules have no heat spreader and operate at 1.10 V; typical server airflow keeps temperatures within spec.

Must the motherboard be a SuperMicro X13SEW-TF or X13SEW-F for this 288-pin RDIMM kit to work?

The kit is validated for those two SuperMicro boards; other DDR5 RDIMM platforms may work but are not guaranteed.

More in Model-Specific Memory Upgrades

Similar items