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Two bare green DDR5 UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 5600 ECC UDIMM ASRock Rack W880D4U-2L2T memory upgrade

SKU CH-20CV-P030Z

128GB DDR5 ECC UDIMM kit (2x64GB) at 5600MHz CL46 for ASRock Rack W880D4U-2L2T

  • Capacity128GB (2 x 64GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB total capacity from two 64 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • ECC protection detects and corrects single-bit errors
  • Low 1.1 V operating voltage reduces power draw
  • 288-pin UDIMM form factor fits the ASRock Rack W880D4U-2L2T

ASRock Rack W880D4U-2L2T compatible kit

This 128GB kit contains two 64GB DDR5 ECC UDIMM modules built for the ASRock Rack W880D4U-2L2T motherboard. It targets server and workstation users who need error-correcting memory at the platform's native speed. The unbuffered design keeps latency low for the supported architecture.

DDR5 5600 interface limits

The modules run at DDR5 5600 (PC5-44800) with CL46 latency at 1.1V. This is the maximum JEDEC standard speed for the platform without overclocking. Higher frequencies or tighter timings are not supported by the motherboard's memory controller at this voltage.

128GB capacity for multi-threaded workloads

Two 64GB 2Rx8 modules fill two DIMM slots and provide 128GB of ECC-protected memory. This headroom suits virtualisation, database caching and large dataset processing. Workloads exceeding 128GB or requiring registered DIMMs will need a different platform.

Highlights

  • 128 GB total capacity from two 64 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • ECC protection detects and corrects single-bit errors
  • Low 1.1 V operating voltage reduces power draw
  • 288-pin UDIMM form factor fits the ASRock Rack W880D4U-2L2T

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Memory
ModelDDR5 ECC Unbuffered UDIMM Memory
Part NumberME44800-928K2
Capacity128GB (2 x 64GB)
SpeedDDR5 5600 (PC5 44800)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASRock
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 ECC UDIMM
Rank2Rx8
FeaturesDDR5 ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (2 x 64GB) DDR5 5600MHz PC5-44800 2Rx8 1.1V 288-PIN ECC UDIMM KIT

Questions about this item

Should I pick the 2 x 64 GB kit or a single 128 GB module for my ASRock Rack W880D4U-2L2T?

The kit supplies two 64 GB modules, giving 128 GB total in a dual-channel configuration that matches the board’s memory architecture.

What does the DDR5 5600 rating mean once the memory is installed in the ASRock Rack W880D4U-2L2T?

The modules run at 5600 MT/s with CL46 latency at 1.10 V, delivering the rated PC5-44800 bandwidth when the platform trains them at that speed.

Is the 288-pin DDR5 ECC UDIMM interface compatible with the ASRock Rack W880D4U-2L2T, and what does it limit?

Yes, the 288-pin DDR5 ECC unbuffered UDIMM form factor fits the board’s DDR5 slots and caps operation to the DDR5 5600 standard with ECC enabled.

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