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Four green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400 CL52 512GB (4×128GB) 2Rx4 ECC Registered RDIMM memory upgrade for GIGABYTE MZ73-LM0

SKU CH-X2KS-T7MJR

A 512 GB DDR5 server memory kit with four 128 GB ECC Registered RDIMMs running at 6400 MT/s, CL52, 1.1 V, validated for the GIGABYTE MZ73-LM0 motherboard

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 512GB 4X128GB

Show 24 more configurations
  • 512 GB total capacity from four 128 GB modules for memory-intensive server workloads
  • DDR5-6400 speed with CL52 latency delivers rated bandwidth on compatible platforms
  • Registered ECC architecture offloads the controller and corrects single-bit errors automatically
  • 2Rx4 organization at 1.10 V matches the motherboard's required rank and voltage
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM0 memory slots precisely

Exact-match 512 GB DDR5 kit for GIGABYTE MZ73-LM0

This 512 GB kit contains four 128 GB DDR5-6400 RDIMMs built to the board's exact rank, voltage and timing requirements. It is intended for administrators upgrading a GIGABYTE MZ73-LM0 server to its full supported capacity with registered ECC memory.

DDR5-6400 registered ECC limits

The modules run at PC5-51200 with CL52 latency at 1.10 V. Registered architecture buffers every slot so the memory controller can address all four DIMMs at rated speed, while ECC corrects single-bit errors on the fly. Population rules in the motherboard manual dictate which slots must be filled first.

Tool-free DIMM installation and common pitfalls

Each 288-pin RDIMM seats vertically in the board's DDR5 slots; align the notch, press until the latches click, and verify full insertion. The usual issues are mixing RDIMMs with UDIMMs, skipping the prescribed population order, or leaving a slot partially seated, any of which prevents the system from posting at full capacity.

Highlights

  • 512 GB total capacity from four 128 GB modules for memory-intensive server workloads
  • DDR5-6400 speed with CL52 latency delivers rated bandwidth on compatible platforms
  • Registered ECC architecture offloads the controller and corrects single-bit errors automatically
  • 2Rx4 organization at 1.10 V matches the motherboard's required rank and voltage
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM0 memory slots precisely

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-724K4
Capacity512GB (4 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content512GB 4X128GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Should I choose the 4×128 GB kit or a different capacity for the GIGABYTE MZ73-LM0?

The 4×128 GB kit provides 512 GB total and matches the board's memory-population rules for full-capacity operation at DDR5-6400.

What does the DDR5-6400 (PC5-51200) rating mean once the modules are installed?

The kit runs at 6400 MT/s with CL52 latency at 1.1 V, delivering the rated bandwidth the memory controller expects when all four slots are populated.

How does the 288-pin RDIMM interface and registered ECC design affect real-world use?

Registered buffering offloads the memory controller so every slot runs at full speed, while ECC corrects single-bit errors on the fly to prevent silent data corruption.

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