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Green printed circuit board DDR5 memory module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 2Rx8 ECC RDIMM memory upgrade for GIGABYTE MZ73-LM2

SKU CH-8TKD-0CHJH

A 32GB DDR5 4800MHz ECC Registered RDIMM built to the exact rank, voltage and timing the GIGABYTE MZ73-LM2 expects for full-capacity operation

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 32GB

Show 18 more
  • 32 GB DDR5 4800 CL40 capacity ready for production workloads
  • 2Rx8 Registered ECC architecture corrects single-bit errors on the fly
  • 10 V operation matches the MZ73-LM2 memory controller specification
  • 288-pin RDIMM form factor fits the board's DDR5 slots exactly
  • Verified compatibility with GIGABYTE MZ73-LM2 motherboard DDR5 4800MHz PC5-38400

Targeted Server Upgrade

This 32GB DDR5 module is built as an exact-match upgrade for the GIGABYTE MZ73-LM2 motherboard. It delivers the registered ECC architecture that server memory controllers require for stable, fully populated operation. The 2Rx8 organization and CL40 timing match the board's native DDR5-4800 specification.

Thermals and Power Profile

Operating at 1.1V, the module runs at standard DDR5 voltage without a heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping maintain consistent power draw across all populated slots. ECC correction operates transparently during normal use.

When the Upgrade Makes Sense

This kit replaces non-ECC or unbuffered memory that cannot be recognized at full capacity in this platform. It upgrades systems limited by rank or voltage mismatches that prevent boot or throttle speed. The jump is worth it when your workload demands registered ECC reliability and the motherboard manual confirms this exact 288-pin RDIMM configuration.

How it compares

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

Price $916.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $28.66 per GB
Pricier than about 81% 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 numberMR38400-328K1
Total capacity32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install this 288-pin DDR5 RDIMM in the GIGABYTE MZ73-LM2 and which slot order does the manual require?

Power down, open the chassis, align the module's key notch with the 288-pin DDR5 slot, press firmly until both retention clips click, then follow the motherboard manual's exact population sequence for registered ECC DIMMs.

Will the ECC function or the registered buffer need any firmware updates or component swaps during the module's service life?

ECC and the registered buffer are hardware features of the DRAM and register chips; they operate without firmware and have no user-serviceable parts, so no updates or swaps are required.

At continuous full-load operation, does the 1.10 V CL40 4800 MT/s rating hit a thermal or signal-integrity ceiling first?

The module has no heat spreader, so sustained heavy traffic will reach the DRAM's thermal throttle point before the registered buffer's signal margin becomes the limiting factor.

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