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Eight green DDR5 RDIMM modules in a row, no heat spreaders, gold edge connectors visible

NEMIX RAM

NEMIX RAM 384GB 8x48GB DDR5 6400 CL52 1.1V ECC RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-HS98-VANFM

Eight 48 GB DDR5 6400 CL52 registered ECC RDIMMs at 1.1 V deliver 384 GB of validated capacity for the Supermicro H14SSL-N

  • Total capacity384 GB (8 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 8X48GB

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  • 384 GB total capacity from eight 48 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 288-pin RDIMM form factor matches Supermicro H14SSL-N slots
  • Built with major OEM Samsung Micron Hynix components

Exact-match DDR5-6400 kit for Supermicro H14SSL-N

This 384 GB kit contains eight 48 GB DDR5-6400 registered ECC RDIMMs built to the precise rank, voltage and timing the Supermicro H14SSL-N memory controller expects. Each module is a 288-pin 2Rx8 device running at 1.1 V with CL52 latency. The registered architecture allows all slots to be populated at full rated capacity without down-clocking.

Thermals noise and power draw

Operating at the standard DDR5 server voltage of 1.10 V keeps per-module power draw low even with all eight DIMMs installed. No heat spreaders are fitted, so airflow across the bare PCB is the only cooling path; ensure the chassis fan wall delivers steady front-to-back flow. Registered buffering reduces electrical load on the memory controller, contributing to quieter, cooler operation under sustained load.

Build quality connectors and daily implications

Modules use major OEM Samsung Micron or Hynix ICs on a plain green PCB without decorative spreaders, matching typical data-centre aesthetics and dense slot spacing. The 288-pin RDIMM keying prevents accidental insertion into UDIMM or SODIMM slots. ECC and registered operation correct single-bit errors on the fly, protecting production workloads from silent data corruption and unplanned reboots.

How it compares

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

Price $9,716.99
Pricier than about 87% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (8 × 48 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $25.30 per GB
Pricier than about 70% 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 numberMR51200-4828K8
Total capacity384 GB (8 × 48 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 8 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 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 8x48GB DDR5 6400 RDIMM kit in my Supermicro H14SSL-N, and which step is most often missed?

Power down and unplug the server, then open the chassis. Insert each 288-pin RDIMM into the slots specified by the motherboard manual's population order, pressing until both side latches click. The step most often missed is verifying the exact slot sequence for all eight modules before booting.

What maintenance or replacement will this 384GB DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required. ECC corrects single-bit errors automatically. If a module fails, replace only the faulty 48GB RDIMM; the lifetime replacement warranty covers the kit.

What limit appears first when the 8x48GB DDR5 6400 CL52 1.1V RDIMM kit runs under sustained load?

The primary limit is the memory controller's maximum supported capacity and population rules for the H14SSL-N. With all eight slots filled at 6400 MT/s, the controller's electrical loading and timing margins determine stability before thermal or voltage limits become a factor.

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