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Green circuit board DDR5 RDIMM memory module with black chips, no heat spreader, 288 gold pins visible

NEMIX RAM

NEMIX RAM 48GB DDR5 6400 CL52 2Rx8 1.1V ECC Registered RDIMM H14DST-FL memory upgrade

SKU CH-VS0J-G6VS7

48 GB DDR5 6400 ECC registered RDIMM, CL52 1.10 V 2Rx8, validated for Supermicro H14DST-FL motherboards

  • Total capacity48 GB
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match 48 GB DDR5-6400 upgrade for Supermicro H14DST-FL
  • Registered ECC RDIMM with 2Rx8 rank and CL52 latency
  • 1 V operation reduces power draw in dense server configs
  • 288-pin form factor matches board slots for full-capacity recognition
  • Lifetime replacement warranty with free US technical support

48 GB DDR5 RDIMM for Supermicro H14DST-FL

This 48 GB DDR5 6400 CL52 2Rx8 registered ECC RDIMM is an exact-match upgrade for the Supermicro H14DST-FL motherboard. It operates at 1.1 V and uses the 288-pin form factor the board requires. The module delivers the precise rank, voltage and timing the server's memory controller expects.

Who this suits and who should look elsewhere

It suits administrators expanding a Supermicro H14DST-FL platform with registered ECC memory that runs fully populated at rated speed. It is not for systems that accept only unbuffered UDIMMs or SODIMMs, nor for builds that need non-ECC memory or a different DDR generation.

Capacity and headroom

A single 48 GB module provides substantial capacity per slot for virtualisation, database or compute workloads. Registered architecture offloads the memory controller so every populated slot runs at full 6400 MT/s. Headroom ends when the board's maximum supported DIMM count or total capacity is reached.

How it compares

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

Price $1,111.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 48 GB
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $23.17 per GB
Pricier than about 68% 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 numberMR51200-4828K1
Total capacity48 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 items48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will this 48GB DDR5 6400 CL52 2Rx8 1.1V ECC RDIMM be recognised by my Supermicro H14DST-FL motherboard without a BIOS update?

The module is an exact-match upgrade spec-matched to the H14DST-FL memory-population rules, so the board's memory controller expects this rank, voltage and timing combination.

If I keep older DDR5 RDIMMs in other slots, must they share the same 1.1V operating voltage and registered architecture?

Yes, every populated slot on a registered DDR5 platform runs at a single voltage, and mixing registered with unbuffered modules is not supported by the memory controller.

After installation, how can I confirm the kit is running at the rated 6400 MT/s with CL52 latency and ECC active?

Check the BIOS memory information screen or run a tool such as dmidecode or CPU-Z; they will report 6400 MT/s, CL52, 1.1 V, 2Rx8 organisation and ECC enabled.

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