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Green micro-ATX motherboard with silver heatsinks and black PCB

ASUS

ASUS Pro A620M-C-CSM AMD motherboard

SKU CH-Z55W-YKMFS

Micro-ATX AM5 business board with B650 chipset, PCIe 4.0 slots, 128 GB DDR4 limit and USB 3.2 Gen 1 ports

  • ProcessorComputer Accessories
  • Supports latest Ryzen processors via AMD AM5 socket
  • PCIe 4.0 technology enables high-speed data transfer
  • Up to 128GB DDR4 memory for demanding multitasking
  • Multiple expansion slots including PCIe x16 and x1
  • USB 3.2 Gen 1 and USB 2.0 ports for connectivity

Professional AMD AM5 Platform

The ASUS Pro A620M-C-CSM is a micro ATX motherboard built for business computing on the AMD AM5 socket. It supports Ryzen processors and delivers 24/7 stability with comprehensive system protection. An enhanced management suite simplifies IT operations and customization across deployed systems.

Office Deployments Not High-End Workstations

This board suits IT managers who need long-term availability, TCO-optimised hardware and straightforward fleet management. Builders who require more than 128 GB of DDR4 memory or additional PCIe 4.0 lanes for multiple high-speed devices should look at other platforms.

DDR4 Memory Ceiling

The single specification that decides fit is the 128 GB DDR4 limit across the available slots. If your workloads demand higher memory capacity or a different memory standard this motherboard will not meet the requirement.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $150.99
Cheaper than about 62% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model name90MB1F80-M0EAYC
Processor
ProcessorComputer Accessories

Questions about this item

Should I pick the micro-ATX version or a larger board for this A620M-C-CSM?

The micro-ATX form factor fits smaller chassis and still provides a PCIe x16 slot plus a PCIe x1 slot for a graphics card or other add-in card.

What does the 128 GB DDR4 limit mean once the board is installed?

You can install up to 128 GB of DDR4 memory, giving headroom for heavy multitasking and memory-intensive workloads.

Which USB standard caps the transfer speed on this motherboard?

USB 3.2 Gen 1 ports are available for faster data transfers, while USB 2.0 ports handle basic peripherals.

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