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Eight green DDR5 RDIMM sticks, no heat spreaders, 288-pin, bare black chips on both sides

NEMIX RAM

NEMIX RAM 512GB 8×64GB DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM memory upgrade

SKU CH-RYKJ-TCKRA

Eight 64 GB DDR5 RDIMMs deliver 512 GB of registered ECC memory at 6400 MT/s with CL52 latency and 1.1 V operation for Supermicro H14DST-F servers

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 512 GB total capacity from eight 64 GB modules
  • DDR5 6400 speed with CL52 latency for rated throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the server memory controller specification
  • Verified fitment for Supermicro H14DST-F motherboard

Exact-match 512GB DDR5-6400 kit

This 512GB kit contains eight 64GB DDR5-6400 (PC5-51200) 288-pin RDIMM modules rated at 1.10V with CL52 latency. Registered ECC architecture and 2Rx4 organisation let the Supermicro H14DST-F motherboard recognise full capacity and run at rated speed without manual tuning.

Thermals and power at rated speed

Operating at the standard 1.10V DDR5 voltage, the modules draw minimal power and generate low heat even with all eight slots populated on the H14DST-F. No heat spreaders are fitted, relying on server chassis airflow for passive cooling during continuous registered-ECC workloads.

What the bundle changes

The kit supplies a complete eight-module population that satisfies the board's memory-population rules for maximum capacity, removing the need to mix capacities or ranks. Lifetime replacement coverage and US-based technical support are included for the installed configuration.

How it compares

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

Price $15,979.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $31.21 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 numberMR51200-924K8
Total capacity512 GB (8 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB 8 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMMs on the Supermicro H14DST-F, and which step is often missed?

Power down the server, open the chassis, and insert each of the eight 64GB modules into the slots specified by the motherboard manual in the exact population order; the step most often missed is verifying that every module locks into both side clips before closing the case.

What maintenance or replacement will the 512GB DDR5 6400 CL52 ECC RDIMM kit need over its service life?

No routine maintenance is required for the registered ECC modules; if a single-bit error becomes uncorrectable, replace only the affected 64GB DIMM rather than the full kit.

What limit appears first when the 8×64GB DDR5 6400 1.1V 2Rx4 kit runs sustained workloads?

The memory controller’s maximum supported capacity and ranked-population rules limit how many 2Rx4 modules can operate at the rated 6400 MT/s; exceeding those rules forces a speed reduction.

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