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Two green DDR5 RDIMM modules with gold contacts and black chips, no heat spreader

NEMIX RAM

NEMIX RAM DDR5 64GB 2x32GB ECC RDIMM 6400 CL52 1.1V 2Rx8 GIGABYTE MZ73-LM1

SKU CH-C00C-QQ5E4

64GB kit of two 32GB DDR5-6400 ECC Registered RDIMMs at 1.1V CL52, validated for the Gigabyte MZ73-LM1 motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

Show 24 more
  • 64 GB capacity from a two-module kit for full-server population
  • DDR5 6400 speed with CL52 latency at 1.1 V for rated performance
  • ECC and registered design corrects errors and offloads the memory controller
  • 288-pin RDIMM form factor matches the GIGABYTE MZ73-LM1 slot requirement
  • Built with major OEM Samsung Micron Hynix chips for enterprise stability

Exact-match server memory kit

This 64GB kit contains two 32GB DDR5 RDIMMs built for the GIGABYTE MZ73-LM1 motherboard. Each module runs at 6400MHz with CL52 latency at 1.1V and uses a 2Rx8 registered ECC design. The precise rank, voltage and timing match the board's memory controller so the full capacity is recognised at rated speed.

Registered DDR5 population limits

Registered DIMMs offload the memory controller, allowing every slot to run fully populated at full capacity. ECC corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots. The 288-pin RDIMM form factor is required; UDIMM or SODIMM modules will not fit or function in this platform.

2Rx8 rank and 1.1V voltage

The dual-rank 2Rx8 organisation and 1.1V operating voltage are the single specification that decides compatibility. Server and motherboard memory support varies by model, so consult the system manual for approved DIMM population order and maximum capacity before purchase. Buyers needing a different rank structure or voltage must select another kit.

How it compares

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

Price $2,649.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $41.41 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 numberMR51200-328K2
Total capacity64 GB (2 × 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 systemsGIGABYTE
In the box
Included items64 GB 2 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Should I pick the 2x32 GB kit or a single 64 GB module for my GIGABYTE MZ73-LM1?

The kit supplies two 32 GB RDIMMs, matching the board's dual-channel layout so both channels run at DDR5-6400 with full 64 GB capacity.

What does the DDR5-6400 CL52 rating deliver inside a GIGABYTE MZ73-LM1 server?

The modules operate at 6400 MT/s with 52-cycle latency at 1.10 V, giving the registered ECC memory controller the exact timing it expects for stable full-speed operation.

How does the 288-pin RDIMM interface limit speed or capacity on this motherboard?

The 288-pin registered DIMM format is the only type the MZ73-LM1 accepts; it enables ECC error correction and lets all slots run fully populated at the rated 6400 MT/s.

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