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Four green DDR5 RDIMM modules without heat spreaders in a kit

NEMIX RAM

NEMIX RAM 128GB 4x32GB DDR5 5600MHz CL46 2Rx8 ECC RDIMM MZ73-LM1 memory upgrade

SKU CH-8C3K-386WZ

A 128 GB DDR5 ECC RDIMM kit of four 32 GB modules at 5600 MHz CL46, registered and spec-matched for the GIGABYTE MZ73-LM1 motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 4X32GB

Show 24 more
  • 128 GB capacity from four 32 GB modules for dense server workloads
  • DDR5 5600 MHz speed rated at PC5-44800 for high throughput
  • Registered ECC design with 2Rx8 organisation corrects errors and stabilises full population
  • CL46 latency at 1.1 V matches the motherboard's exact timing and voltage needs
  • 288-pin RDIMM form factor verified for the GIGABYTE MZ73-LM1 platform

128GB DDR5 RDIMM kit for GIGABYTE MZ73-LM1

This 128GB kit contains four 32GB DDR5 Registered ECC RDIMMs rated at 5600MHz CL46. It is built for the GIGABYTE MZ73-LM1 motherboard, where the 288-pin RDIMM form factor and registered architecture are required for full-slot population.

5600MHz CL46 with registered ECC headroom

The modules run at 1.10V with a 2Rx8 organisation, delivering the bandwidth and error correction needed for sustained server workloads. Capacity stops at 128GB across four slots, so systems needing more memory per channel cannot be satisfied by this kit.

No heat spreader, standard 288-pin RDIMM

Bare modules fit tight server DIMM arrays without clearance issues, while the registered design reduces electrical load on the memory controller. Builders using UDIMM-only boards or non-ECC platforms cannot use this memory.

How it compares

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

Price $3,806.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $29.74 per GB
Pricier than about 85% 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 numberMR44800-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items128 GB 4 × 32 GB DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will this 4-module 128GB DDR5 5600MHz kit work if I keep my existing 32GB DDR5 RDIMMs in the other slots?

Mixing this 2Rx8 CL46 1.1V kit with modules of different rank, speed, or voltage can prevent the server from booting or force all DIMMs to run at the lowest common settings. For guaranteed stability, populate all slots with identical 32GB 2Rx8 DDR5-5600 RDIMMs following the motherboard's population guide.

How do I confirm the kit is running at DDR5-5600 CL46 with ECC active after installation?

Enter the BIOS on the GIGABYTE MZ73-LM1 and verify the memory frequency reads 5600 MT/s, CAS latency shows CL46, voltage is 1.1V, and ECC status is enabled. In the OS, tools such as dmidecode or CPU-Z will report each 32GB module as 2Rx8 Registered ECC DDR5-5600.

What exactly ships in the box and is anything else required to install it?

The package contains four 32GB 288-pin DDR5 RDIMMs for a total of 128GB. No heat spreaders, cables, or tools are included. You only need a compatible GIGABYTE MZ73-LM1 motherboard with available DDR5 RDIMM slots and an anti-static wrist strap for safe handling.

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