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Six green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 96GB (6x16GB) DDR5 4800 ECC RDIMM CL40 1.1V SuperMicro SYS-221HE memory upgrade

SKU CH-V32V-07NNK

96 GB kit of six 16 GB DDR5 4800 ECC registered RDIMMs at CL40 and 1.1 V for Supermicro SYS-221HE servers

  • Total capacity96 GB (6 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 96 GB total capacity expands server memory headroom
  • DDR5 4800 speed matches SuperMicro SYS-221HE platform spec
  • ECC registered design protects data integrity under load
  • 1 V operation reduces power draw per module
  • Six 16 GB RDIMMs fill all channels in a single kit

System-specific DDR5 kit

This NEMIX RAM kit provides 96 GB of DDR5 4800 memory in six 16 GB registered DIMMs. It is built for the SuperMicro SYS-221HE series of IoT SuperServers where ECC RDIMM modules are required. IT teams upgrading those platforms can populate all channels with a single matched set.

Thermals noise and power

Each module operates at 1.10 V without a heat spreader, relying on the server chassis airflow for cooling. Registered buffering and ECC add minimal latency overhead while keeping signal integrity high under sustained load. Power draw scales with the six-module population but remains within standard DDR5 RDIMM limits.

Capacity and rank configuration

The kit delivers 96 GB total capacity organised as six single-rank 1Rx8 modules at CL40. This exact rank-per-channel layout is the specification that determines whether the SuperMicro memory controller can train at the rated 4800 MT/s. Systems needing different rank counts or larger per-module densities will not match this configuration.

How it compares

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

Price $2,712.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 96 GB (6 × 16 GB)
Higher than about 65% of the 20,941 comparable items (median 32 GB).
Price per GB $28.26 per GB
Pricier than about 79% 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 numberMR38400-618K6
Total capacity96 GB (6 × 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 items96 GB (6 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 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 the SuperMicro SYS-221HE and what step is often missed?

Power down the server, open the chassis, and seat each 16 GB module firmly until the ejector clips lock; the step most people miss is confirming the BIOS recognises all 96 GB at 4800 MT/s before closing the case.

What maintenance or replacement will the registered ECC DDR5 kit need over its service life?

The modules have no moving parts and no heat spreaders, so no routine maintenance is required; replacement is only necessary if a module fails, which is covered by the lifetime replacement guarantee.

What limit appears first when the 1Rx8 RDIMMs run sustained workloads at 1.1 V?

The CAS latency of CL40 at 4800 MT/s is the primary timing constraint under continuous load; thermals are secondary because the modules operate at the standard 1.1 V without additional cooling.

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