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Six green DDR5 RDIMM modules in static bags

NEMIX RAM

NEMIX RAM DDR5 288GB (6x48GB) 4800MHz CL40 ECC RDIMM Supermicro H14SST-G memory upgrade

SKU CH-GEWB-4BW5X

A 288 GB DDR5 server kit of six 48 GB registered ECC RDIMMs running at 4800 MHz CL40 and 1.1 V, validated for the Supermicro H14SST-G motherboard

  • Total capacity288 GB (6 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 288GB 6X48GB

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  • 288 GB total capacity from six 48 GB modules for large-scale server workloads
  • DDR5 4800 MHz speed with CL40 latency delivers rated throughput on supported platforms
  • Registered ECC RDIMM architecture offloads the memory controller and corrects single-bit errors
  • 1 V operating voltage matches the Supermicro H14SST-G motherboard specification
  • Exact-fit 288-pin DDR5 RDIMM kit validated for the Supermicro H14SST-G platform

Exact-match server memory kit

This 288GB kit consists of six 48GB DDR5 RDIMM modules rated at 4800MHz with CL40 latency and 1.1V operation. Each module uses a 2Rx8 registered ECC design that matches the Supermicro H14SST-G memory controller requirements for full-capacity recognition and rated-speed operation.

Replaces partial or mismatched population

Upgrading from a partially filled or mixed-rank configuration eliminates the bandwidth loss and instability that occur when slots run at reduced speeds or unsupported ranks. The jump is worth it when the workload demands the full 288GB address space and the error-correction protection that registered ECC provides across every populated channel.

Fits the H14SST-G DIMM layout

The 288-pin registered form factor aligns with the motherboard's slot keying and population rules, so all six modules install without clearance conflicts or voltage mismatches. Registered buffering offloads the memory controller, freeing electrical margin for sustained full-load operation while ECC corrects single-bit errors before they affect production data.

How it compares

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

Price $6,272.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 288 GB (6 × 48 GB)
Higher than about 81% of the 20,941 comparable items (median 32 GB).
Price per GB $21.78 per GB
Pricier than about 67% 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 numberMR38400-4828K6
Total capacity288 GB (6 × 48 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items288 GB 6 × 48 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will these 288-pin DDR5 RDIMMs fit the Supermicro H14SST-G motherboard slots?

Yes — the kit uses the 288-pin RDIMM form factor that the H14SST-G requires, not UDIMM or SODIMM, and the 2Rx8 rank matches the board's population rules.

What is the correct installation order for the six 48 GB modules on this board?

Consult the Supermicro H14SST-G manual for the approved DIMM population sequence; the board's memory controller expects a specific slot order when all six slots are filled.

When should the registered ECC modules be replaced in a production server?

Replace modules if ECC logs show rising correctable error counts, if the system reports uncorrectable errors, or during planned hardware refresh cycles.

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