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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 4800 CL40 1.1V ECC RDIMM SuperMicro Server memory upgrade

SKU CH-DTKJ-91D62

A 256GB registered DDR5 kit of eight 32GB ECC modules at 4800 CL40 1.1V for SuperMicro servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256GB total capacity across eight 32GB modules for heavy workloads
  • DDR5 4800 speed with CL40 latency delivers high throughput
  • ECC registered RDIMM design protects data integrity in servers
  • 1V operation reduces power draw under load
  • Validated for SuperMicro IoT SuperServer SYS-211SE models

256GB DDR5-4800 ECC RDIMM kit

This NEMIX RAM kit delivers 256GB across eight 32GB registered DIMMs built for Supermicro IoT SuperServer platforms. Each module runs at 4800MT/s with CL40 latency at 1.1V using 1Rx4 organisation and 288-pin DDR5 form factor.

Suited for Supermicro SYS-211SE-31D.

Administrators expanding memory on those specific Supermicro IoT SuperServer models will find the kit validated for compatibility. Builders targeting other vendors, consumer motherboards or non-ECC platforms should look elsewhere.

Registered ECC with 1Rx4 organisation

The RDIMM register and on-die ECC protect data integrity in multi-DIMM server configurations while the single-rank-per-channel layout keeps electrical loading low. Systems requiring unbuffered UDIMMs or different rank structures cannot use this memory.

How it compares

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

Price $7,311.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.56 per GB
Pricier than about 80% 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 numberMR38400-314K8
Total capacity256 GB (8 × 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 items256 GB (8 × 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 these 288-Pin DDR5 RDIMM modules in a SuperMicro SYS-211SE server and which step is often missed?

Power down the server, open the chassis, align each module's key notch with the slot, press firmly until both retention clips click, then verify all eight modules are detected in BIOS before closing the case

What maintenance or replacement will this 256GB ECC registered kit need during its service life?

No routine maintenance is required; if a module fails the lifetime replacement warranty covers it, and ECC corrects single-bit errors transparently while logging uncorrectable ones for monitoring

What limit appears first when this CL40 1.10V memory runs sustained workloads on a SuperMicro X31SEED-F motherboard?

The CAS latency of CL40 at DDR5-4800 sets the baseline response time; under continuous load the memory controller's thermal throttling point is reached before bandwidth saturation occurs

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