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Twelve green DDR5 RDIMM modules in a row, no heat spreaders, gold edge connectors visible

NEMIX RAM

NEMIX RAM DDR5 768GB 12x64GB 4800MHz CL40 1.1V ECC RDIMM memory upgrade

SKU CH-8NVX-J9XQE

768 GB DDR5 server kit with twelve 64 GB registered ECC RDIMMs at 4800 MHz CL40 1.1 V for the GIGABYTE MZ73-LM1 motherboard

  • Capacity768GB (12 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 768GB 12X64GB

Show 18 more configurations
  • 768 GB total capacity from twelve 64 GB modules for dense server workloads
  • DDR5-4800 speed with CL40 latency keeps data moving at rated throughput
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1 V operation reduces power draw across the full 12-module kit
  • Verified fit for GIGABYTE MZ73-LM1 motherboard with 288-pin RDIMM form factor

Capacity and fit

This kit delivers 768 GB of DDR5 server memory in twelve 64 GB modules. It is built for the GIGABYTE MZ73-LM1 motherboard and other platforms that require registered ECC RDIMMs. Buyers who need unbuffered UDIMMs or laptop SODIMMs cannot use this product.

Registered ECC architecture

The single specification that decides compatibility is the registered (buffered) ECC RDIMM design with 2Rx4 organisation. This architecture offloads the memory controller so every slot runs fully populated at 4800 MT/s while ECC corrects single-bit errors on the fly. A board that only accepts unbuffered non-ECC memory will not recognise these modules.

Installation notes

Each module uses the standard 288-pin DDR5 RDIMM form factor and operates at 1.1 V with CL40 timing. Populate all twelve slots following the motherboard manual's exact population order; skipping the prescribed sequence is the most common cause of boot failure or reduced capacity. The modules have no heat spreaders, so ensure chassis airflow meets the server vendor's thermal guidelines.

Highlights

  • 768 GB total capacity from twelve 64 GB modules for dense server workloads
  • DDR5-4800 speed with CL40 latency keeps data moving at rated throughput
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1 V operation reduces power draw across the full 12-module kit
  • Verified fit for GIGABYTE MZ73-LM1 motherboard with 288-pin RDIMM form factor

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K12
Capacity768GB (12 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content768GB 12X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 4800 MHz speed hold when all 12 slots of the MZ73-LM1 are populated with this 768 GB kit?

Yes. The registered (buffered) design lets the memory controller drive every slot at the rated DDR5-4800 speed without down-clocking, so the full 768 GB runs at PC5-38400 bandwidth.

What does the PC5-38400 label actually limit on this motherboard?

PC5-38400 is the peak transfer rate of DDR5-4800; the MZ73-LM1 memory controller caps each channel at that rate, so total throughput scales with the number of populated channels rather than exceeding the spec.

Does the 288-pin RDIMM form factor fit the MZ73-LM1 DIMM slots without adapters?

Yes. The kit uses standard 288-pin DDR5 RDIMMs, which are the exact module type the MZ73-LM1 slots accept; no adapter or converter is needed.

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