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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 1TB 8x128GB DDR5 4800 CL40 ECC RDIMM Supermicro H14SST-G memory upgrade

SKU CH-B9G4-ST1MG

Eight 128 GB DDR5 4800 CL40 registered ECC RDIMMs giving 1 TB for the Supermicro H14SST-G motherboard

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1TB 8X128GB

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  • 1TB capacity with eight 128GB modules for maximum server density
  • DDR5-4800 speed at CL40 latency for responsive data handling
  • ECC registered RDIMM design corrects errors and stabilises full-slot loads
  • 1V operation reduces power draw across all 14 ranks
  • Verified fit for Supermicro H14SST-G motherboard with 288-pin form factor

Exact-match DDR5 kit for Supermicro H14SST-G

This NEMIX RAM kit delivers 1 TB of memory through eight 128 GB DDR5 4800 RDIMM modules. Each module operates at 1.1 V with CL40 latency and a 2Rx4 registered ECC design. The specification matches the memory controller requirements of the Supermicro H14SST-G motherboard so the full capacity is recognised at rated speed.

Fits the 288-pin RDIMM slots on the target board

The registered architecture reduces electrical load on the memory controller, allowing all eight slots to be populated without signal degradation. ECC capability detects and corrects single-bit errors to protect data integrity in production workloads. No heat spreaders are fitted, so clearance inside dense server chassis is maximised.

Suits administrators expanding a validated

Builders who need this exact rank, voltage and timing combination for a supported Supermicro configuration can install with confidence. Buyers who want more storage, a different memory generation or non-ECC unbuffered modules should look at other product lines because this kit is purpose-built for registered DDR5 ECC server use.

How it compares

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

Price $31,350.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $31.35 per GB
Pricier than about 90% 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 numberMR38400-724K8
Total capacity1 TB (8 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1 TB 8 × 128 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the 1.1 V DDR5 kit hit a thermal limit before the server chassis airflow can keep it stable?

These modules have no heat spreader, so sustained full-load stability depends entirely on your chassis airflow across the bare DRAM.

What is the noise, heat or power profile once all eight RDIMMs run 24/7?

Registered ECC RDIMMs draw 1.1 V with no onboard fans; acoustics and thermals are dictated by your server fans and case ventilation.

What motherboard must I already own for this 288-pin DDR5 kit to work?

The kit is validated for the Supermicro H14SST-G motherboard; other boards may not support the 2Rx4 registered population rules.

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