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Six green DDR5 RDIMM sticks, black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 192GB (6x32GB) DDR5 4800 ECC RDIMM memory upgrade

SKU CH-0ME8-DYJ56

Registered DDR5 ECC RDIMM kit delivers 192 GB across six 32 GB modules at 4800 MT/s with CL40 latency for Supermicro servers

  • Total capacity192 GB (6 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 192 GB total capacity in six 32 GB modules
  • DDR5 4800 MT/s speed rated PC5-38400
  • ECC registered RDIMM for data integrity
  • 10 V low-voltage operation reduces power draw
  • Validated for Supermicro FatTwin SYS-F521E3-RTB and SYS-F511E2-RT

Capacity and Compatibility

This 192GB kit contains six 32GB DDR5 4800 ECC RDIMM modules designed for Supermicro FatTwin SuperServer systems including SYS-F521E3-RTB, SYS-F511E2-RT and X13SEFR-A. The registered design with 1Rx4 organisation provides error correction and signal integrity required by enterprise server motherboards. IT professionals choose this configuration to maximise memory capacity in compatible multi-socket platforms.

Thermals and Power

Each module operates at 1.10V standard DDR5 voltage without a heat spreader, relying on chassis airflow for cooling in dense server enclosures. Registered buffering reduces electrical load on the memory controller, contributing to stable operation under sustained workloads. The CL40 latency at 4800MT/s balances throughput with the reliability demands of mission-critical environments.

Build Integration

The 288-pin RDIMM form factor fits standard DDR5 server DIMM slots and requires a motherboard that supports registered ECC memory and the specified Supermicro platforms. Populating all six modules fills available channels for maximum bandwidth utilisation. Builders needing non-ECC unbuffered memory or desktop form factors should select a different product line.

How it compares

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

Price $5,741.99
Pricier than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (6 × 32 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $29.91 per GB
Pricier than about 85% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K6
Total capacity192 GB (6 × 32 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items192 GB (6 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in my SuperMicro FatTwin SYS-F521E3-RTB, and which step is most often missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all 192GB are detected at 4800 MT/s; the step most often missed is seating all six modules evenly so every clip engages.

What maintenance or replacement will the 1Rx4 ECC registered DIMMs need over their service life?

No scheduled maintenance is required; ECC corrects single-bit errors on the fly, and if a module ever fails the lifetime replacement warranty covers a direct swap of the affected 32GB stick.

What limit appears first when the kit runs sustained workloads at 1.10V CL40?

The DDR5 4800 PC5-38400 data-rate ceiling is reached before voltage or thermal limits, so throughput tops out at the rated 38400 MB/s per module under continuous load.

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