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Eight green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 4800 ECC Registered RDIMM 128GB 8x16GB CL40 1.1V Supermicro H14DSG-O-CPU memory upgrade

SKU CH-E4DA-7M406

Eight 16 GB DDR5 ECC registered RDIMMs at 4800 MHz CL40 1.1 V for Supermicro H14DSG-O-CPU servers

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 8X16GB

Show 30 more
  • 128 GB total capacity from eight 16 GB modules for maximum server density
  • DDR5 4800 MT/s speed matches the platform spec for full-rated throughput
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • CL40 latency at 1.1 V delivers the exact timing and voltage the controller expects
  • 288-pin RDIMM form factor fits the Supermicro H14DSG-O-CPU motherboard precisely

128GB DDR5-4800 ECC RDIMM kit

This 128GB kit contains eight 16GB DDR5-4800 Registered ECC RDIMMs built for the Supermicro H14DSG-O-CPU motherboard. It targets administrators upgrading memory capacity in supported server platforms.

Verify motherboard population rules

Consult the Supermicro H14DSG-O-CPU manual for supported capacities, approved DIMM population order, and installation steps before ordering. The board requires 288-pin Registered RDIMMs; UDIMMs or SODIMMs will not fit.

Registered ECC design for full-slot stability

Registered architecture offloads the memory controller so every slot runs fully populated at rated speed, while ECC corrects single-bit errors on the fly. The modules operate at 1.1V with CL40 timing and have no heat spreaders.

How it compares

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

Price $3,153.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.64 per GB
Pricier than about 69% 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 numberMR38400-618K8
Total capacity128 GB (8 × 16 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 items128 GB 8 × 16 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

What comes in the 128GB kit and is anything else required to install it in a Supermicro H14DSG-O-CPU motherboard?

The kit contains eight 16GB DDR5 4800 CL40 1.1V 288-pin ECC Registered RDIMMs. No extra parts are needed; the modules match the board's registered DIMM slots and population rules.

How do I decide between this 128GB 8x16GB CL40 kit and other capacities or speeds listed for the same platform?

Choose this kit when the server requires the full 128GB at DDR5 4800 with 1Rx8 registered ECC; other kits differ in total capacity, module count, rank or latency, so match the exact spec your motherboard manual approves.

What does the DDR5 4800 CL40 rating mean once the modules are running in the H14DSG-O-CPU?

The memory controller will operate the kit at 4800 MT/s with a CAS latency of 40 cycles at 1.1V, delivering the rated bandwidth and registered ECC stability the board expects.

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