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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM MR38400-9624K8 768GB 8x96GB DDR5-4800 CL40 ECC RDIMM Supermicro H14DST-FL memory upgrade

SKU CH-0Y0D-RF7K9

768 GB DDR5-4800 CL40 ECC registered RDIMM kit with eight 96 GB modules for the Supermicro H14DST-FL motherboard

  • Total capacity768 GB (8 × 96 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 8X96GB

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  • 768 GB total capacity from eight 96 GB modules for maximum server density
  • DDR5-4800 speed with CL40 latency matches the board's rated frequency
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 10 V operation reduces power draw at full 768 GB load
  • 288-pin RDIMM form factor fits Supermicro H14DST-FL memory slots exactly

Exact-match DDR5 server memory kit

This 768GB kit contains eight 96GB DDR5-4800 RDIMM modules built to the precise rank, voltage and timing the Supermicro H14DST-FL memory controller expects. Registered ECC architecture offloads the controller so every slot runs fully populated at rated speed while correcting single-bit errors on the fly. The 288-pin form factor matches the board's physical slots exactly.

DDR5-4800 interface limits

The PC5-38400 standard caps data-rate at 4800 MT/s with a CAS latency of 40 cycles at 1.1V. Registered buffering allows full-capacity population across all channels, but the memory controller cannot exceed this JEDEC speed grade. Mixing modules of different rank or voltage will force the system to down-clock or fail to train.

Check motherboard population rules

Verify the Supermicro H14DST-FL manual for approved DIMM population order, maximum supported capacity per channel and any BIOS version requirements before ordering. The board requires 288-pin Registered DDR5 RDIMMs; UDIMM or SODIMM modules will not fit or function. Ensure your configuration matches the 2Rx4 rank structure of this kit.

How it compares

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

Price $20,760.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (8 × 96 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $27.03 per GB
Pricier than about 75% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-9624K8
Total capacity768 GB (8 × 96 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 items768 GB 8 × 96 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

Should I choose the 8 x 96 GB kit or a smaller capacity for my Supermicro H14DST-FL?

The kit provides 768 GB total using eight 96 GB modules. Use it when your workload needs the maximum supported capacity and you can populate all eight slots.

What does the DDR5-4800 CL40 rating mean once the modules are installed in the server?

The memory controller will run the kit at 4800 MT/s with a CAS latency of 40 cycles, delivering the rated bandwidth and timing without manual tuning.

How does the 288-pin RDIMM interface and registered design affect real-world operation?

The registered architecture buffers address and command signals, allowing all eight slots to operate at full 4800 MT/s while ECC corrects single-bit errors on the fly.

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