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Eight green DDR5 RDIMM modules with black chips no heat spreaders

NEMIX RAM

NEMIX RAM 512GB (8x64GB) DDR5 6400 CL52 2Rx4 ECC RDIMM memory upgrade for GIGABYTE MZ23-SU0

SKU CH-PV55-MN1G5

Eight 64 GB DDR5-6400 registered ECC RDIMMs at CL52 and 1.1 V, validated for the GIGABYTE MZ23-SU0 server board

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 8X64GB

Show 24 more
  • 512 GB total capacity from eight 64 GB modules for maximum server memory density
  • DDR5-6400 speed with CL52 latency delivers rated throughput for demanding workloads
  • Registered ECC design with 2Rx4 organisation corrects errors and stabilises fully populated channels
  • 10 V operation matches the platform's voltage requirement for reliable POST
  • 288-pin RDIMM form factor verified for GIGABYTE MZ23-SU0 motherboard compatibility

Exact-fit DDR5-6400 kit for GIGABYTE MZ23-SU0

This 512GB kit contains eight 64GB DDR5-6400 registered ECC RDIMMs built to the GIGABYTE MZ23-SU0's required specifications. Each module runs at 1.10V with CL52 timing and a 2Rx4 organisation so the memory controller recognises the full population at rated speed.

Registered ECC limits for full-slot population

Registered buffering reduces electrical load on the memory controller, allowing all eight 288-pin slots to be filled without signal degradation. ECC corrects single-bit errors on the fly, preventing silent data corruption that would otherwise crash a production server.

2Rx4 rank layout matches controller expectations

The 2Rx4 rank structure is the single specification that determines whether the motherboard initialises every DIMM at 6400 MT/s; a different rank layout would force down-clocking or leave slots unrecognised.

How it compares

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

Price $17,800.99
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 $34.77 per GB
Pricier than about 90% 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 numberMR51200-924K8
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 systemsGIGABYTE
In the box
Included items512 GB 8 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Should I choose the 512GB kit or a smaller capacity for my GIGABYTE MZ23-SU0?

The 512GB kit provides eight 64GB modules to fully populate the board. A smaller kit would leave slots empty and reduce total memory available to the server.

What does DDR5 6400 CL52 mean for real workloads on this motherboard?

The modules run at 6400 MT/s with a CAS latency of 52 cycles, delivering the rated throughput the memory controller expects when all eight slots are filled.

How does the 288-pin RDIMM interface and registered design affect maximum capacity?

The 288-pin RDIMM form factor with registered architecture lets the memory controller drive all eight slots at full 64GB per module, enabling the 512GB total.

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