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

NEMIX RAM

NEMIX RAM DDR5 4800 1TB 8x128GB CL40 1.1V 2Rx4 ECC RDIMM Supermicro H14DSG-OD memory upgrade

SKU CH-XQN5-QH19B

1 TB kit of eight 128 GB DDR5 RDIMM modules running at 4800 MHz with CL40 latency, 1.1 V operation, registered ECC and 2Rx4 organisation for the Supermicro H14DSG-OD 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

Show 30 more
  • 1TB capacity across eight 128GB modules for dense server workloads
  • DDR5 4800 speed with CL40 latency matches controller specifications
  • Registered ECC architecture corrects single-bit errors to prevent data corruption
  • 1V operation at 2Rx4 rank reduces electrical load per channel
  • 288-pin RDIMM form factor verified for Supermicro H14DSG-OD motherboard

1TB DDR5-4800 ECC RDIMM kit for Supermicro H14DSG-OD

This 1TB kit contains eight 128GB DDR5-4800 Registered ECC RDIMMs. Each module runs at 1.10V with CL40 latency and a 2Rx4 organisation. The 288-pin form factor matches the Supermicro H14DSG-OD motherboard exactly, so the memory controller recognises the full capacity at rated speed.

Who this suits and who should look elsewhere

This kit suits administrators upgrading a Supermicro H14DSG-OD server to its maximum supported capacity with registered ECC memory. Builders who need unbuffered UDIMMs, SODIMM form factors, lower voltages, non-ECC modules or smaller individual DIMM densities cannot use this kit.

The specification that decides fit

The motherboard requires 288-pin DDR5 Registered ECC RDIMMs with 2Rx4 rank structure and 1.10V operation; this kit matches those exact parameters so the system will boot with all slots populated at DDR5-4800.

How it compares

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

Price $31,862.99
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 $31.86 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

5 more in the same range

Questions about this item

Will the 2Rx4 DDR5 RDIMMs need any firmware updates or recalibration after installation?

No firmware updates are required; the modules run at the rated DDR5 4800 speed and CL40 timing as soon as the Supermicro H14DSG-OD board completes its normal memory training sequence.

What limits sustained throughput when all eight slots stay populated at DDR5 4800?

The registered buffer and 2Rx4 organisation keep the memory controller stable at full capacity, so the first limit encountered is the DDR5 4800 data rate itself rather than a population-related bottleneck.

How much heat and power do the eight 1.1 V modules produce under continuous load?

Each module operates at 1.10 V with no heat spreader, so total power draw scales with the 1 TB capacity while thermals stay within standard DDR5 RDIMM limits for a fully populated server chassis.

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