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Green circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 ECC Registered RDIMM 1Rx8 CL40 1.1V Supermicro H14SSF memory upgrade

SKU CH-1HKW-617CY

16 GB DDR5 4800 ECC registered RDIMM, CL40 at 1.1 V, validated for Supermicro H14SSF

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 16GB

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  • Exact-match DDR5-4800 spec ensures full-speed recognition
  • Registered ECC architecture prevents silent data corruption
  • 1Rx8 single-rank design allows full-slot population
  • 1 V operation matches motherboard voltage requirements
  • Validated for Supermicro H14SSF motherboard compatibility

Exact-match DDR5 RDIMM for Supermicro H14SSF

This 16 GB DDR5 4800 module is built as a registered ECC RDIMM with 1Rx8 organisation, CL40 timing and 1.1 V operation. It matches the Supermicro H14SSF memory-controller requirements so the server recognises the full capacity at rated speed without manual tuning. The 288-pin form factor fits only boards that call for registered DDR5 DIMMs.

Thermals power and noise

The module has no heat spreader and draws 1.10 V at the standard DDR5 voltage, keeping power draw low in typical server workloads. Registered buffering reduces electrical load on the memory controller, which helps system fans maintain steady speeds even with all slots populated. Passive operation means the DIMM itself adds no audible noise to the chassis.

What the bundle changes

The single-DIMM kit delivers exactly one 16 GB registered ECC module, letting you add capacity in the precise increments your motherboard population rules allow. ECC corrects single-bit errors on the fly, preventing silent data corruption that could otherwise crash production services. Lifetime replacement coverage and US-based technical support back the upgrade for the service life of the server.

How it compares

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

Price $423.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $26.50 per GB
Pricier than about 73% 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 numberMR38400-618K1
Total capacity16 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
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 288-pin DDR5 RDIMM in the Supermicro H14SSF, and which step is often missed?

Align the key notch on the 288-pin DDR5 RDIMM with the slot, press firmly until both latches click, then verify the module is recognised at 4800 MT/s in BIOS; the step often missed is confirming the motherboard's required population order for 1Rx8 registered DIMMs before powering on.

What maintenance or replacement will the 16GB DDR5 4800 ECC Registered RDIMM need over its service life?

The module has no heat spreader and no moving parts, so no routine maintenance is required; ECC corrects single-bit errors automatically, and replacement is only needed if a DIMM fails or capacity must be increased beyond the board's supported configuration.

What limit appears first when the 1Rx8 CL40 1.1V RDIMM runs sustained workloads on the H14SSF?

The registered buffer and ECC logic keep signal integrity stable, so the first limit is the memory controller's maximum supported capacity per channel or total system capacity as defined in the Supermicro H14SSF manual, not thermal throttling or voltage drift.

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