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Four green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 6400 CL52 1.1V 2Rx8 ECC RDIMM MZ73-LM2 memory upgrade

SKU CH-XRDE-2A7HV

128GB DDR5 ECC RDIMM kit runs at 6400MHz with CL52 latency and 1.1V for the GIGABYTE MZ73-LM2 motherboard

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 128GB 4X32GB

Show 24 more configurations
  • Exact-match 128 GB kit runs at DDR5 6400 CL52 1.1 V
  • Registered ECC 2Rx8 design prevents silent data corruption
  • 288-pin RDIMM form factor fits GIGABYTE MZ73-LM2 slots
  • Four 32 GB modules populate every channel at rated speed
  • Lifetime replacement warranty with US-based technical support

Server memory kit for GIGABYTE MZ73-LM2

This 128GB kit contains four 32GB DDR5 RDIMMs rated at 6400MHz with CL52 latency and 1.1V operation. It is built as an exact-match upgrade for the GIGABYTE MZ73-LM2 motherboard using the 288-pin registered form factor that board requires. The modules use major OEM chips from Samsung, Micron, or Hynix and carry a lifetime replacement warranty with US-based technical support. Buyers needing a different capacity, speed, or unbuffered UDIMM format should look elsewhere.

Thermals noise and power draw

Each module runs at the standard DDR5 server voltage of 1.10V without a heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable when all four slots are populated. No active cooling or fan headers are present on the DIMMs themselves, so acoustic output depends entirely on the server's own fan curves. Systems with restricted airflow may need additional case fans to maintain safe temperatures.

Build quality connectors and daily implications

The 2Rx8 registered ECC design corrects single-bit errors on the fly, protecting data integrity in production workloads. Installation must follow the motherboard manual's population order to ensure full 128GB recognition at rated speed. The 288-pin RDIMM keying prevents accidental insertion into UDIMM or SODIMM slots. Without a heat spreader, modules sit low under standard CPU coolers, but verifying cooler clearance remains the builder's responsibility.

Highlights

  • Exact-match 128 GB kit runs at DDR5 6400 CL52 1.1 V
  • Registered ECC 2Rx8 design prevents silent data corruption
  • 288-pin RDIMM form factor fits GIGABYTE MZ73-LM2 slots
  • Four 32 GB modules populate every channel at rated speed
  • Lifetime replacement warranty with US-based technical support

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-328K4
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content128GB 4X32GB DDR5 6400MHz PC5-51200 2Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR5 RDIMM kit on the GIGABYTE MZ73-LM2 motherboard?

Power down the server, open the chassis, and insert each 32GB module into the DIMM slots following the motherboard manual's population order for 2Rx8 Registered ECC memory; the keyed 288-pin connector prevents backward insertion, so align the notch before applying even pressure until the latches click.

What maintenance or replacement will the 128GB DDR5 6400 ECC RDIMM kit need over time?

No scheduled maintenance is required; the modules have no heat spreaders or moving parts, and ECC corrects single-bit errors on the fly, so replacement is only necessary if a module fails or a capacity upgrade is desired.

What limit appears first when the 4x32GB DDR5 6400 CL52 1.1V kit runs sustained workloads?

The memory controller's maximum supported capacity and rank-per-channel limits define the ceiling; with four 2Rx8 Registered DIMMs fully populated at 6400 MT/s, the controller's electrical loading typically becomes the bottleneck before thermal or voltage limits.

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