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Two green DDR5 RDIMM modules, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 1.1V ECC RDIMM 1Rx8 288-pin memory upgrade

SKU CH-W392-WRJT7

DDR5 4800 ECC registered 32 GB kit (2×16 GB) validated for Supermicro UP SuperServer SYS-111C-NR and SYS-521C-NR systems

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity for demanding server workloads
  • DDR5 4800 speed with CL40 latency
  • ECC registered design protects data integrity
  • 10 V operation reduces power draw
  • Validated for SuperMicro SYS-111C-NR and SYS-521C-NR systems

DDR5 4800 ECC RDIMM kit

This 32 GB kit contains two 16 GB registered DDR5 modules rated at 4800 MT/s with CL40 latency. It is built for Supermicro server and workstation platforms that require error-correcting registered memory.

Capacity and headroom

The 32 GB total splits across two 1Rx8 modules, giving dual-channel bandwidth on compatible boards. Workloads that exceed 32 GB will need additional DIMM slots or higher-density modules to continue scaling.

Build and daily use

Modules run at 1.1 V without heat spreaders, relying on server chassis airflow for cooling. The 288-pin RDIMM form factor fits registered DDR5 slots only; it will not work in unbuffered desktop or laptop sockets.

How it compares

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

Price $830.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $25.97 per GB
Pricier than about 71% 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 numberMR38400-618K2
Total capacity32 GB (2 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB (2 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 4800 RDIMM modules work alongside the existing DDR5 DIMMs in my SuperMicro server?

The kit uses DDR5 4800 RDIMM modules with CL40 latency and 1.10V voltage. For stable operation, any existing DDR5 DIMMs should match these specifications, particularly the registered ECC design and 1Rx8 rank configuration.

How can I confirm the 32GB kit is running at 4800 MT/s with ECC active after installation?

Enter the system BIOS or UEFI and verify the memory speed reads 4800 MT/s (PC5-38400) and that ECC is reported as enabled. The CL40 timing and 1.10V voltage should also be visible in the memory configuration screen.

Does the package include the two 16GB RDIMM modules only, or are any brackets or cables supplied?

The package contains only the two 16GB DDR5 4800 CL40 1.10V ECC RDIMM modules (288-pin, 1Rx8). No heat spreaders, brackets, cables or additional accessories are included.

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