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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 CL40 256GB (8x32GB) ECC Registered RDIMM 2Rx8 1.1V GIGABYTE MZ73-LM1 memory upgrade

SKU CH-SRCX-WKBBQ

Eight 32 GB DDR5 ECC registered RDIMMs totalling 256 GB at 4800 MHz CL40 1.1 V, validated for the GIGABYTE MZ73-LM1 motherboard

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 8X32GB

Show 18 more
  • 256GB total capacity from eight 32GB modules for high-density server workloads
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth without downclocking
  • Registered ECC RDIMM architecture corrects single-bit errors and supports full-slot populations
  • 1V operation matches the platform voltage specification for stable operation
  • Validated compatibility with the GIGABYTE MZ73-LM1 motherboard for guaranteed fit

Exact-fit 256 GB DDR5 kit for GIGABYTE MZ73-LM1

This eight-module kit delivers 256 GB of DDR5 4800 memory in a 288-pin registered ECC RDIMM form factor. Each 32 GB module runs at 1.1 V with CL40 latency and a 2Rx8 organisation, matching the board's native memory controller requirements. It is intended for administrators upgrading or fully populating the GIGABYTE MZ73-LM1 server platform.

Sustained-load behaviour with registered ECC

Registered buffering reduces electrical load on the memory controller, allowing all eight slots to operate at the rated 4800 MT/s speed without down-clocking. ECC circuitry detects and corrects single-bit errors in real time, preventing silent data corruption during continuous compute or virtualisation workloads. The 1.1 V operating voltage keeps power draw predictable under full population.

Replaces partial or mixed-capacity DDR5 sets

The kit supersedes smaller-capacity or mixed-rank DDR5 modules that force the controller to run at reduced speeds or leave slots empty. The jump is worthwhile when the workload demands the full 256 GB address space and requires registered ECC stability across every channel. It is not for systems that accept only unbuffered UDIMMs or that limit total capacity below 256 GB.

How it compares

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

Price $6,687.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $26.12 per GB
Pricier than about 72% 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 numberMR38400-328K8
Total capacity256 GB (8 × 32 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 items256 GB 8 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the 1.1 V DDR5 4800 kit add noticeable heat or power draw when all eight slots run continuously?

Each module operates at 1.10 V with no heat spreader; registered buffering reduces controller load, so thermal output stays within standard DDR5 limits for 288-pin RDIMMs.

What motherboard slot and firmware support must I already have to use this 256 GB kit?

You need a GIGABYTE MZ73-LM1 motherboard with eight 288-pin DDR5 RDIMM slots and BIOS that supports 2Rx8 registered ECC population rules.

Can I mix these 32 GB 2Rx8 modules with smaller DDR5 RDIMMs already installed in the MZ73-LM1?

Mixing ranks or capacities is possible only if the board's memory-population guide allows it; the kit is validated for full 8 x 32 GB operation at DDR5-4800 CL40.

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