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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 384GB (12 x 32GB) DDR5 6400MHz PC5-51200 2Rx8 1.1V 288-PIN ECC RDIMM server RAM

SKU CH-5AF1-QF2WW

384 GB server memory kit with twelve 32 GB DDR5 RDIMMs running at 6400 MHz, CL52, 1.1 V, ECC registered

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity from twelve 32 GB modules
  • DDR5 6400 speed with PC5-51200 bandwidth rating
  • ECC registered design detects and corrects data errors
  • Dual-rank 2Rx8 organisation increases memory density per slot
  • Low 1.1 V operation reduces server power draw

Server Memory Kit

This NEMIX RAM kit supplies 384GB of DDR5 server memory across 12 modules of 32GB each. It is built for registered ECC platforms that require 288-pin RDIMM form factor and 1.1V operation. The product is not for standard desktop or laptop computers.

DDR5 6400 Constraints

DDR5 6400 (PC5-51200) sets the maximum data rate the modules are validated for; the system memory controller and BIOS determine the actual operating speed. Registered buffering adds a clock cycle of latency but allows higher capacities per channel. Mixing ranks or speeds can limit the final configuration.

2Rx8 Rank Decides Fit

Each module uses a 2Rx8 organisation, which fixes the electrical load per slot and the maximum density the memory controller can address. A platform that only supports single-rank or x4 devices will not reach the full 384GB capacity with this kit.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $13,659.99
Pricier than about 92% of the 6,523 comparable items (median $188.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 91% of the 6,064 comparable items (median 32 GB).
CAS latency 52
Higher than about 90% of the 439 comparable items (median 40).
Price per GB $35.57 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Model namePart#: MR51200-328K12-SM-AS-1015CS-TNR
Part numberPart#: MR51200-328K12-SM-AS-1015CS-TNR
Total capacity384 GB (12 × 32 GB)
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.1 V

Questions about this item

Should I choose the 12-module kit or build the 384GB total with fewer higher-capacity sticks?

This kit provides the full 384GB across twelve 32GB modules, so the choice is already made; you receive twelve sticks to populate twelve slots.

What does the 6400MHz rating actually deliver when the memory is installed in a server?

The modules run at DDR5 6400 with CAS latency 52 at 1.1V, providing the rated transfer rate when the platform supports that speed.

How does the 288-pin ECC RDIMM interface limit what I can use this kit with?

The 288-pin registered DIMM format with ECC requires a server motherboard that accepts DDR5 RDIMMs; it will not fit standard desktop boards.

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