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Six green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 384GB (6×64GB) DDR5 6400MHz CL52 2Rx4 ECC RDIMM Supermicro SYS-222BT-HER memory upgrade

SKU CH-SYZW-94MPZ

A 384 GB registered ECC DDR5 kit of six 64 GB modules at 6400 MHz CL52, validated for the Supermicro SYS-222BT-HER BigTwin platform

  • Total capacity384 GB (6 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 384 GB total capacity with six 64 GB modules
  • DDR5 6400 MHz CL52 for high throughput
  • ECC registered RDIMM ensures data integrity
  • 1 V operation reduces power draw
  • Validated for Supermicro SYS-222BT-HER BigTwin

System-specific DDR5 ECC RDIMM kit

This 384 GB kit contains six 64 GB registered DDR5 modules built for the Supermicro BigTwin SuperServer SYS-222BT-HER. Each module runs at 6400 MHz with a CAS latency of 52 and operates at 1.1 V. The 2Rx4 organisation and on-die ECC suit enterprise workloads that demand data integrity.

Registered buffer and ECC change data flow

The registered design places a buffer between the memory controller and the DRAM, reducing electrical load on the server board. ECC corrects single-bit errors and detects multi-bit errors without software intervention. No heat spreaders are included, so airflow in the chassis must handle thermal management.

Straightforward DIMM installation

The 288-pin DDR5 RDIMMs install in minutes by aligning the key notch and pressing until the latches click. Common issues are partial seating that prevents POST and mixing kits with different rank or voltage specifications. Always follow the motherboard manual for population order and firmware requirements.

How it compares

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

Price $13,705.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $35.69 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-924K6
Total capacity384 GB (6 × 64 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 items384 GB (6 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 288-pin DDR5 modules need any periodic cleaning or firmware updates?

No scheduled cleaning or firmware updates are required for these registered ECC DDR5 DIMMs.

What limit appears first when the kit runs at 6400 MT/s continuously?

The CAS latency of CL52 sets the timing boundary during sustained 6400 MT/s operation.

How much heat and power does the 384 GB kit produce at 1.1 V all day?

Each 64 GB module operates at 1.1 V without a heat spreader, so total power draw stays low and airflow from the server chassis handles cooling.

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