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Four green DDR5 RDIMM modules in anti-static packaging

NEMIX RAM

NEMIX RAM 384GB (4x96GB) DDR5 6400MHz CL52 2Rx4 1.1V ECC RDIMM SuperMicro SYS-222BT-HER memory upgrade

SKU CH-6TA0-ZXYF6

A 384 GB kit of four 96 GB DDR5 6400 MHz CL52 ECC registered DIMMs built for the SuperMicro SYS-222BT-HER server

  • Total capacity384 GB (4 × 96 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 384 GB total capacity across four 96 GB modules
  • DDR5 6400 MHz CL52 for high server throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Validated for SuperMicro BigTwin SYS-222BT-HER

Capacity and Compatibility

This 384GB kit contains four 96GB DDR5 ECC RDIMM modules built for the SuperMicro BigTwin SuperServer SYS-222BT-HER. Registered buffering and error correction protect data integrity in multi-socket server workloads. The kit installs directly into the platform's 288-pin DDR5 slots without adapter hardware. Buyers needing non-ECC UDIMM memory for desktop platforms cannot use this product.

Thermals and Power

Each module operates at 1.1V with no integrated heat spreader, relying on chassis airflow for cooling. The low voltage helps contain power draw across all four DIMMs during sustained server loads. Acoustic output is determined by the system fans rather than the memory itself. Builds that lack directed airflow over the DIMM area may see higher temperatures than expected.

Decisive Specification

CAS latency is rated at CL52 at the 6400MHz data rate, expressed as PC5-51200 bandwidth. The 2Rx4 organisation populates two ranks per module across four chips per rank. Systems that require lower latency or single-rank population for maximum channel count will not match this timing profile.

How it compares

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

Price $12,348.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (4 × 96 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $32.16 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 numberMR51200-9624K4
Total capacity384 GB (4 × 96 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 (4 × 96 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the SuperMicro SYS-222BT-HER, and which step is most often missed?

Power down the server, open the chassis, locate the DIMM slots for the target CPU, align the notch on each 288-pin module with the slot key, press firmly until both locking tabs click, then verify in BIOS that all 384GB are detected at 6400MHz; the step most often missed is seating every module until both tabs engage.

What maintenance or replacement will the 1.1V ECC registered kit need over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement is only necessary if a DIMM fails, which the ECC logic will flag through corrected error counts in the system event log.

What is the first limit that appears when the 2Rx4 96GB modules run sustained workloads at CL52?

The registered buffer and 1.1V operation keep signal integrity stable, so the first limit under sustained use is typically the platform's memory-controller thermal envelope rather than the DRAM itself.

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