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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 576GB (12x48GB) DDR5 6400 CL52 2Rx8 ECC RDIMM Supermicro H14DST-FL memory upgrade

SKU CH-WEC5-GXEC3

A 576GB DDR5 6400 CL52 2Rx8 ECC RDIMM kit of twelve 48GB modules at 1.1V for Supermicro H14DST-FL servers

  • Total capacity576 GB (12 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 576 GB total capacity from twelve 48 GB modules for large-scale workloads
  • DDR5 6400 speed with CL52 latency matches the board's rated timing
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1 V operation at 2Rx8 rank aligns with the memory controller's voltage and rank expectations
  • 288-pin RDIMM form factor fits the Supermicro H14DST-FL motherboard exactly

Server memory kit for Supermicro H14DST-FL

This NEMIX RAM kit delivers 576GB across twelve 48GB DDR5 6400 modules built to the board's exact specifications. Registered ECC RDIMM architecture with 2Rx8 organization and CL52 timing ensures the memory controller recognises every slot at full rated speed. Designed for enterprise workloads that demand maximum capacity and error correction.

Installing twelve RDIMMs in sequence

Installation follows the motherboard's documented population order; each 288-pin module seats with standard RDIMM keying and locks into the registered buffer without extra tools. The 1.1V operating voltage matches the platform default so no BIOS voltage adjustment is required. Skipping the manual's slot sequence is the most common reason the system fails to post or reports reduced capacity.

Verify population rules before ordering

Confirm the H14DST-FL supports twelve 48GB registered DIMMs at DDR5 6400 with CL52 latency and 2Rx8 rank structure. Check the manual for approved DIMM-per-channel limits, required CPU SKU, and any firmware revision needed for full 576GB recognition. Systems limited to fewer channels or lower densities will not accept this configuration.

How it compares

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

Price $12,967.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 576 GB (12 × 48 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $22.51 per GB
Pricier than about 67% 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 numberMR51200-4828K12
Total capacity576 GB (12 × 48 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 items576 GB 12 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I verify the 576GB kit is running at DDR5 6400 CL52 after installing all 12 modules?

Enter the BIOS or use a hardware monitoring tool and confirm the memory speed reads 6400 MT/s, CAS latency shows 52, voltage reads 1.10 V, and the total capacity reports 576 GB across all 12 slots.

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

The package contains twelve 48 GB 288-pin DDR5 RDIMM modules — 576 GB total. No extra cables, brackets or cooling parts are included or needed; the motherboard slots provide power and retention.

My H14DST-FL has 14 DIMM slots — should I buy the 12-module kit or a different capacity?

The 12 x 48 GB kit fills twelve of the fourteen slots, leaving two empty for future expansion. Choose this kit if 576 GB meets your current workload; add matching 48 GB modules later if you need the full 14-slot population.

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