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 sticks without heat spreaders

NEMIX RAM

NEMIX RAM 512GB (4×128GB) DDR5 6400 CL52 1.1V ECC RDIMM for SuperMicro SYS-222BT-HER memory upgrade

SKU CH-QCTR-F20SD

Adds 512 GB of DDR5 6400 ECC registered memory in four 128 GB modules for the SuperMicro SYS-222BT-HER server

  • Total capacity512 GB (4 × 128 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 512 GB total capacity from four 128 GB modules
  • DDR5 6400 speed with CL52 latency
  • 1 V operation reduces power draw
  • ECC and registered design protects data integrity
  • 288-pin RDIMM kit built for SuperMicro SYS-222BT-HER

System-Specific 512GB DDR5 Kit

This NEMIX RAM kit delivers 512GB of DDR5 memory across four 128GB registered DIMMs built for the SuperMicro BigTwin SYS-222BT-HER. It targets server administrators who need maximum capacity with error-correcting code in a validated configuration.

Sustained Load Behaviour

Registered buffering and ECC protect data integrity during continuous multi-threaded workloads. The modules operate at 6400MHz with CL52 latency at 1.1V, maintaining stability without a heat spreader under typical server airflow.

Installation Notes

The 288-pin RDIMMs install in standard DDR5 server slots; the kit is pre-matched for the named SuperMicro platform. Builders who need a different capacity per module or a non-registered layout cannot use this kit.

How it compares

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

Price $19,317.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $37.73 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 numberMR51200-724K4
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB (4 × 128 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How much power does the 1.1V DDR5 RDIMM kit draw when the SuperMicro SYS-222BT-HER runs continuously?

Each module operates at 1.10V; total system power depends on the platform's memory controller and workload, so consult the SuperMicro SYS-222BT-HER documentation for sustained draw figures.

What motherboard slot and BIOS support are required for the 288-pin 6400 CL52 ECC RDIMM kit?

The kit needs four DDR5 RDIMM slots and a BIOS that enables ECC registered memory at 6400 MT/s; the SuperMicro SYS-222BT-HER is the validated platform.

Will the 2Rx4 registered modules work alongside any existing DDR5 RDIMMs I keep in the same server?

Mixing ranks or speeds is not recommended; for stable operation populate all four channels with this matched 4×128GB 2Rx4 CL52 kit.

More in Model-Specific Memory Upgrades

Similar items