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Four green DDR5 RDIMM modules without heat spreaders in a clear tray

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5-4800 CL40 1Rx8 ECC Registered RDIMM for GIGABYTE MZ73-LM2

SKU CH-6G6C-J9PGE

A 64 GB DDR5-4800 registered ECC kit in four 16 GB modules at CL40 and 1.1 V, built for the GIGABYTE MZ73-LM2 motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 4X16GB

Show 18 more
  • 64 GB total capacity from four 16 GB modules for high-density server workloads
  • DDR5-4800 CL40 at 1.10 V delivers rated speed with low power draw
  • Registered ECC RDIMM corrects single-bit errors and buffers signals for full-slot stability
  • 288-pin 1Rx8 form factor matches GIGABYTE MZ73-LM2 memory population rules
  • Lifetime replacement warranty and US-based technical support included

64GB DDR5-4800 ECC RDIMM Kit

This 64GB kit contains four 16GB DDR5-4800 Registered ECC RDIMMs built for the GIGABYTE MZ73-LM2 motherboard. Each module runs at 1.1V with CL40 latency and a 1Rx8 organisation. The Registered design lets the memory controller drive all slots at rated speed when fully populated.

Server and workstation builders who need validated

Buyers who need consumer UDIMMs, SODIMMs, or non-ECC memory should look elsewhere. Systems that cannot accept Registered DIMMs or that require different voltages, ranks, or speeds will not work with this kit.

288-pin Registered DDR5 form factor

The motherboard requires 288-pin DDR5 RDIMMs; UDIMM or SODIMM modules will not fit the slots. Verify the board's qualified-vendor list and population rules before ordering to ensure the 4x16GB configuration is supported.

How it compares

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

Price $1,770.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $27.67 per GB
Pricier than about 77% 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 numberMR38400-618K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items64 GB 4 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 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 4x16 GB kit or a different capacity for the GIGABYTE MZ73-LM2?

The 64 GB (4 x 16 GB) kit matches the board's four DDR5 RDIMM slots exactly, so every slot is populated with the 1Rx8 registered ECC modules the memory controller expects.

What does DDR5-4800 CL40 mean for real-world server throughput?

The modules run at 4800 MT/s with a CAS latency of 40 cycles at 1.10 V, delivering the rated PC5-38400 bandwidth when the motherboard populates all four channels.

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

The registered 288-pin DDR5 RDIMM form factor is required by the MZ73-LM2; it enables full-capacity operation across all slots while ECC corrects single-bit errors on the fly.

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