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Four green circuit boards with black chips and gold edge connectors, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 4800 256GB (4x64GB) CL40 2Rx4 1.1V ECC Registered RDIMM for GIGABYTE MZ73-LM0

SKU CH-YSJT-B8ZCJ

256 GB kit of four 64 GB DDR5-4800 ECC Registered RDIMMs at CL40 and 1.1 V, validated for the GIGABYTE MZ73-LM0 motherboard

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 4X64GB

Show 18 more
  • 256 GB total capacity in a matched four-module kit
  • DDR5 4800 speed with CL40 latency runs at rated frequency
  • Registered ECC design corrects single-bit errors for data integrity
  • 2Rx4 organisation and 1.1 V voltage match the motherboard memory controller
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM0 server board

Exact-match DDR5-4800 kit for GIGABYTE MZ73-LM0

This 256 GB kit delivers four 64 GB DDR5-4800 RDIMMs at 1.1 V with CL40 timing. Registered ECC architecture and 2Rx4 organisation match the memory controller requirements of the GIGABYTE MZ73-LM0 motherboard so the system recognises the full capacity and runs at rated speed.

Registered ECC stability under sustained load

The registered buffer offloads the memory controller, allowing every slot to stay fully populated at 4800 MT/s during continuous server workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots that would interrupt production services.

Verify DIMM population rules before ordering

Server memory support varies by model and BIOS revision. Consult the GIGABYTE MZ73-LM0 manual for approved capacities, required slot order and installation steps to ensure the 4 x 64 GB configuration is supported on your specific platform.

How it compares

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

Price $7,000.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $27.35 per GB
Pricier than about 76% 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 numberMR38400-924K4
Total capacity256 GB (4 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items256 GB 4 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How much heat and power does the 256 GB DDR5 4800 kit draw when the server runs continuously?

Each 64 GB module operates at 1.10 V with no heat spreader; the registered design reduces electrical load on the memory controller so the four DIMMs stay within standard DDR5 thermal limits during all-day workloads.

What motherboard feature must already be present for this 288-pin RDIMM kit to function?

The board must provide DDR5 RDIMM slots that support registered ECC memory and follow the GIGABYTE MZ73-LM0 population rules for 2Rx4 modules.

Will the CL40 2Rx4 registered modules work alongside older DDR5 DIMMs I might keep in the same chassis?

Mixing ranks, latencies or registered and unbuffered DIMMs is not supported; the server requires a matched 4 x 64 GB 2Rx4 RDIMM set to run at the rated 4800 MT/s speed.

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