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

NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 6400 CL52 1.1V 2Rx8 ECC RDIMM memory upgrade for Supermicro H14DST-FL

SKU CH-YYME-1T1HM

A 384 GB kit of twelve 32 GB DDR5-6400 CL52 registered ECC RDIMMs at 1.1 V, validated for the Supermicro H14DST-FL

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity from twelve 32 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency at 1.1 V matches the board's rated profile
  • Registered ECC RDIMM design offloads the controller and corrects single-bit errors on the fly
  • Exact 288-pin 2Rx8 form factor validated for the Supermicro H14DST-FL motherboard
  • Lifetime replacement warranty backed by US-based technical support

Exact-match DDR5 kit

The NEMIX RAM kit delivers 384GB across 12 modules of 32GB each, built to DDR5 6400 CL52 at 1.1V. Registered ECC RDIMM design meets the Supermicro H14DST-FL memory controller requirements for full-capacity recognition.

DDR5 RDIMM population rules

DDR5 registered DIMMs allow every slot to run fully populated at rated speed because the buffer offloads the controller. Your motherboard manual defines the approved population order and maximum supported capacity per slot.

Enterprise build, no spreader

Major OEM chips from Samsung, Micron or Hynix underlie the 2Rx8 registered modules. The 288-pin RDIMM form factor fits only DDR5 RDIMM slots; UDIMM or SODIMM boards will not accept these modules.

How it compares

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

Price $13,270.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $34.56 per GB
Pricier than about 90% 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 numberMR51200-328K12
Total capacity384 GB (12 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 12 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 12-module 384GB kit or a smaller capacity for my Supermicro H14DST-FL?

The 12 x 32GB kit fills all 12 DDR5 slots on the H14DST-FL, delivering the maximum 384GB capacity the board supports.

What does the DDR5 6400 speed rating mean once the kit is installed in the server?

The modules will run at 6400 MT/s (PC5-51200) with CL52 latency at 1.1V, provided the motherboard's memory controller and BIOS support that data rate.

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

The registered buffer reduces electrical load on the memory controller so all 12 slots run stably at full speed, while ECC corrects single-bit errors to prevent silent data corruption.

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