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Twelve bare green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 4800 CL40 2Rx4 ECC RDIMM Supermicro H14SSL-NT

SKU CH-CP7A-1T0J7

A 768 GB kit of twelve 64 GB DDR5-4800 CL40 2Rx4 registered ECC RDIMMs at 1.1 V, validated for the Supermicro H14SSL-NT motherboard

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 12X64GB

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  • 768 GB total capacity from twelve 64 GB modules for maximum server density
  • DDR5 4800 speed with CL40 latency matches the board's rated timing
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operating voltage and 2Rx4 rank exactly as the memory controller expects
  • 288-pin RDIMM form factor verified for Supermicro H14SSL-NT motherboard

Exact-match DDR5 kit for Supermicro H14SSL-NT

This 768GB kit delivers 12 modules of 64GB DDR5-4800 Registered ECC memory built to the Supermicro H14SSL-NT motherboard's precise requirements. The 2Rx4 rank configuration, 1.10V operating voltage and CL40 latency match the controller expectations so the system recognises full capacity at rated speed. It targets administrators upgrading or populating that specific server platform.

Registered DDR5 constraints and population rules

Registered RDIMM architecture buffers address and command signals, allowing all 12 slots to run fully populated at 4800 MT/s without overloading the memory controller. ECC corrects single-bit errors on the fly to prevent silent data corruption. The motherboard manual dictates supported capacities per socket, approved population order and any BIOS version requirements that this kit alone cannot guarantee.

2Rx4 rank layout decides full-capacity operation

The 2Rx4 organisation is the single specification that determines whether the memory controller can address the full 768GB across every channel. If the platform's population rules or CPU memory-controller limits require a different rank-per-DIMM arrangement, the kit will not operate at its rated capacity or speed. Verify the manual's qualified vendor list and population table before installation.

How it compares

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

Price $19,521.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $25.42 per GB
Pricier than about 70% 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 numberMR38400-924K12
Total capacity768 GB (12 × 64 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 12 × 64 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 buy the 12-module 768GB kit or a smaller capacity?

The kit provides 768GB across 12 x 64GB modules, filling all supported DIMM slots on the Supermicro H14SSL-NT motherboard for maximum registered ECC capacity.

What does the DDR5 4800 speed deliver inside the Supermicro H14SSL-NT?

The modules run at 4800 MT/s (PC5-38400) with CL40 latency at 1.1V, giving the memory controller its rated bandwidth and timing for full-capacity operation.

How does the 288-pin RDIMM interface limit installation?

The 288-pin registered ECC RDIMM form factor is required by the H14SSL-NT; UDIMM or SODIMM modules will not fit or function in this server board.

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