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Two green DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 256GB 2x128GB DDR5 5600 CL46 2Rx4 ECC RDIMM GIGABYTE MZ73-LM0 memory upgrade

SKU CH-C46Y-3PFG6

256 GB DDR5 5600 RDIMM kit with ECC and registered buffering for the Gigabyte MZ73-LM0 motherboard

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 2X128GB

Show 24 more
  • 256 GB capacity in a 2 x 128 GB kit for maximum server density
  • DDR5 5600 speed rated at PC5-44800 for full-rated throughput
  • CL46 CAS latency with 1.10 V operation matching controller expectations
  • Registered ECC 2Rx4 architecture offloads the controller and corrects single-bit errors
  • Verified 288-pin RDIMM fitment for the GIGABYTE MZ73-LM0 motherboard

Exact-match upgrade kit

This 256 GB kit contains two 128 GB DDR5 5600 CL46 registered ECC RDIMMs built for the GIGABYTE MZ73-LM0 motherboard. The modules run at 1.1 V with 2Rx4 organisation and a 288-pin interface, matching the board's required rank, voltage and timing for full-capacity recognition.

Verify manual before ordering

Server and motherboard memory support varies by model so consult your system or motherboard manual for supported capacities, approved DIMM population order and installation steps. The board requires registered RDIMMs rather than UDIMM or SODIMM form factors.

Registered ECC stability

Registered architecture offloads the memory controller so every slot runs fully populated at rated speed while ECC corrects single-bit errors on the fly to prevent silent data corruption. Modules use major OEM Samsung, Micron or Hynix chips and ship without heat spreaders.

How it compares

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

Price $8,358.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $32.65 per GB
Pricier than about 90% 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 numberMR44800-724K2
Total capacity256 GB (2 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items256 GB 2 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

What does the kit include and do I need anything else to install it?

The kit contains two 128 GB DDR5 5600 CL46 2Rx4 ECC Registered RDIMMs for a total of 256 GB. No heat spreaders or extra cables are included; the modules plug directly into the 288-pin RDIMM slots on the GIGABYTE MZ73-LM0 motherboard.

Why is this kit listed as 2Rx4 CL46 instead of another rank or latency?

The GIGABYTE MZ73-LM0 memory controller expects 2Rx4 registered ECC modules at 1.10 V with CL46 timing. Using the specified rank and latency ensures the board recognises the full 256 GB capacity and runs at the rated 5600 MT/s speed.

What does the 5600 MT/s rating mean once the memory is installed in the server?

The modules operate at DDR5 5600 (PC5-44800) with CL46 latency and 1.10 V. Registered ECC architecture buffers the address and command signals, allowing all populated slots to run at this rated speed while correcting single-bit errors on the fly.

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