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

NEMIX RAM

NEMIX RAM DDR5 4800 1.5TB 12x128GB ECC RDIMM Supermicro H14DST-FL memory upgrade

SKU CH-TR62-3Z00E

A 1.5 TB DDR5-4800 registered ECC kit with twelve 128 GB modules at 1.1 V and CL40, validated for the Supermicro H14DST-FL motherboard

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1.5TB 12X128GB

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  • 5TB total capacity from twelve 128GB modules
  • DDR5 4800 speed with CL40 latency at 1.1V
  • Registered ECC design corrects errors and stabilises full-slot loads
  • 288-pin RDIMM form factor built for Supermicro H14DST-FL
  • Major OEM chips from Samsung, Micron or Hynix inside

Exact-fit server memory

This 1.5 TB kit delivers twelve 128 GB DDR5-4800 RDIMMs built for the Supermicro H14DST-FL motherboard. Registered ECC architecture ensures full-capacity operation across every slot while correcting single-bit errors before they reach production workloads.

Verified 288-pin installation

The modules match the board's required 288-pin RDIMM form factor and 1.1 V operating voltage, so they seat without adapters or voltage changes. Population order still follows the motherboard manual; skipping that step is the most common reason a full kit fails to post.

Twelve-module headroom

Populating all twelve slots at 128 GB each reaches the kit's 1.5 TB limit, ideal for dense virtualization or in-memory databases. Workloads needing more capacity per channel or higher frequencies than DDR5-4800 will require a different platform.

How it compares

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

Price $42,658.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $28.44 per GB
Pricier than about 80% 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 numberMR38400-724K12
Total capacity1.5 TB (12 × 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 items1.5 TB 12 × 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

How can I verify the kit is running at DDR5 4800 with CL40 after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report 4800 MT/s, CL40 timings and 1.10 V across all 12 modules.

What exactly ships in the box and is anything else required?

The box contains the 1.5 TB kit — 12 modules of 128 GB each, 288-pin DDR5 RDIMM, 2Rx4 registered ECC. No extra parts are needed for the Supermicro H14DST-FL.

Should I choose a different capacity or speed version for this motherboard?

This part number MR38400-724K12 is built for the H14DST-FL at DDR5 4800, 1.1 V, CL40, 2Rx4 registered ECC; other speeds or capacities are not validated for this board.

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