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Four green DDR5 RDIMM modules without heat spreaders, 288-pin, 192GB kit

NEMIX RAM

NEMIX RAM 192GB (4x48GB) DDR5 6400 CL52 2Rx8 ECC RDIMM memory upgrade for GIGABYTE MZ73-LM0

SKU CH-SFNX-4JGH0

192 GB DDR5-6400 ECC RDIMM kit (4 × 48 GB, CL52, 1.1 V, 2Rx8) built for the GIGABYTE MZ73-LM0 motherboard

  • Total capacity192 GB (4 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 192GB 4X48GB

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  • 192 GB total capacity across four 48 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency matches the motherboard's rated timing exactly
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 10 V operation meets the platform's voltage spec for reliable full-speed performance
  • 288-pin RDIMM form factor is the precise module type the GIGABYTE MZ73-LM0 requires

Exact DDR5 6400 Kit for GIGABYTE MZ73-LM0

This 192GB kit contains four 48GB DDR5 6400 RDIMM modules built to the PC5-51200 standard. It is designed for administrators upgrading the GIGABYTE MZ73-LM0 motherboard with registered ECC memory that matches the board's required rank, voltage and timing.

Registered ECC Architecture for Full Population

The 2Rx8 registered design buffers address and command signals so the memory controller can drive all four slots at the rated 1.10V and CL52 without signal degradation. On-die ECC detects and corrects single-bit errors in flight, preventing silent data corruption that would otherwise crash production workloads.

DDR5 6400 Speed Limit and Population Rules

The modules operate at the DDR5 6400 data rate defined by the PC5-51200 specification; they cannot exceed this speed on the platform. The motherboard manual dictates which slots must be filled first and the maximum capacity per channel, so the full 192GB is only recognised when those population rules are followed.

How it compares

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

Price $5,061.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (4 × 48 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $26.36 per GB
Pricier than about 73% 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 numberMR51200-4828K4
Total capacity192 GB (4 × 48 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 items192 GB 4 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the RDIMM modules need any firmware updates or periodic replacement once installed in the GIGABYTE MZ73-LM0?

No firmware updates are required for these DDR5 RDIMMs. The modules are solid-state with no moving parts and carry a lifetime replacement warranty, so no scheduled replacement is needed under normal server operation.

What limit appears first when the 192GB kit runs at DDR5 6400 CL52 continuously in a fully populated server?

The registered buffer and ECC logic keep every slot stable at the rated 6400 MT/s speed. The practical ceiling is the motherboard's maximum supported capacity and population rules, not the memory modules themselves.

How much heat and power will the four 48GB 2Rx8 RDIMMs generate at 1.1V during all-day workloads?

Each module operates at 1.1V without a heat spreader, relying on standard server airflow. Registered DDR5 at this voltage runs cool enough for continuous duty in properly ventilated chassis bays.

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