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Two bare green DDR5 memory sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 5600 CL46 1.1V 2Rx8 288-Pin UDIMM for ASRock Rack W680D4U-2L2T/G5

SKU CH-ZNDQ-31D4N

A 64 GB DDR5 kit of two 32 GB modules running at 5600 MT/s with CL46 latency and 1.1 V operation, validated for the ASRock Rack W680D4U-2L2T/G5 motherboard

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB total capacity with two 32 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • Low 1.10 V operating voltage for efficient power use
  • CL46 CAS latency tuned for responsive data access
  • 288-pin UDIMM form factor fits the ASRock Rack W680D4U-2L2T/G5

System-specific DDR5 kit for ASRock Rack

This NEMIX RAM kit delivers 64GB of DDR5 5600 memory in a matched pair of 32GB modules. It is built for the ASRock Rack W680D4U-2L2T/G5 motherboard and uses standard 288-pin UDIMM form factor. The modules run at 1.1V with a CAS latency of CL46 and a 2Rx8 rank configuration.

Verify motherboard model

Confirm that your board is the exact ASRock Rack W680D4U-2L2T/G5 model, as this kit is validated for that specific platform. Ensure the system accepts non-ECC unbuffered DDR5 UDIMMs and has at least two free 288-pin slots. Check the current BIOS version against the motherboard vendor's memory support list for 5600MHz operation.

Two-module kit occupies a pair of DIMM slots

The 2x32GB layout fills two DDR5 channels, leaving remaining slots available for future expansion if the board provides more than two sockets. Non-ECC unbuffered design keeps the memory path direct for desktop and workstation workloads. The 1.1V operating voltage aligns with standard DDR5 power requirements for compatible platforms.

Highlights

  • 64 GB total capacity with two 32 GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • Low 1.10 V operating voltage for efficient power use
  • CL46 CAS latency tuned for responsive data access
  • 288-pin UDIMM form factor fits the ASRock Rack W680D4U-2L2T/G5

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Memory
ModelDDR5 Non-ECC Unbuffered UDIMM Memory
Part NumberMD44800-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 5600 (PC5 44800)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASRock
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2 x 32GB) DDR5 5600MHz PC5-44800 2Rx8 1.1V 288-PIN Non-ECC UDIMM KIT

Questions about this item

What does the 64GB kit contain and is anything else required?

The box includes two 32GB DDR5 5600 CL46 UDIMM modules. No extra parts are needed for installation on the ASRock Rack W680D4U-2L2T/G5.

Why choose the 2Rx8 64GB kit over other capacities?

Two ranks per module improve bandwidth on the W680D4U-2L2T/G5, and 64GB matches the board's dual-channel layout.

What does the 5600 CL46 rating deliver in the actual system?

The motherboard will run the kit at 5600 MT/s with 46-cycle latency at 1.1 V, giving the rated throughput without manual tuning.

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