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ASUS Pro A620AT-CSM

UK manufacturer specification

CPU socket
AM5
Chipset
AMD A620A Chipset
Form factor and dimensions
Thin Mini-ITX Form Factor 6.7”x 6.7” (17.0cm x 17.0cm)

Pro A620AT-CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS Pro A620AT-CSM official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS PRIME A620A-PLUS WIFI
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The nearest checked motherboards by key specifications, with what differs from the ASUS Pro A620AT-CSM. The first matches the Compare button above.

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Key strengths

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.

Manufacturer source
The checks that matter.

Before you buy

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.

Manufacturer source
Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the ASUS Pro A620AT-CSM. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Every specification. With its source.

Full specifications

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Exact configuration: UK manufacturer specification · Pro A620AT-CSM

12 specifications in 8 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
AM5Source
Chipset
AMD A620A ChipsetSource
Form factor and dimensions
Thin Mini-ITX Form Factor 6.7”x 6.7” (17.0cm x 17.0cm)Source

Memory

1 item
Memory type, slots and limit
2 x SO-DIMM slots, max. 128GB, DDR5, ECC and Non-ECC, Un-buffered Memory* Dual channel memory architecture ASUS Enhanced Memory Profile (AEMP) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market. **Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.Source

Storage

1 item
Storage interfaces and restrictions
Total supports 1 x M.2 slot and 2 x SATA 6Gb/s ports AMD A620A Chipset M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 2 x SATA 6Gb/s portsSource

USB & rear connections

2 items
USB ports and headers
Rear USB (Total 4 ports) 2 x USB 10Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 8 ports) 1 x USB 10Gbps connector (supports USB Type-C®)* 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports 1 x USB 2.0 header support 1 additional USB 2.0 port * USB Type-C® power delivery output: max. 5V/3ASource
Rear-panel ports
2 x USB 10Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI™ port 1 x RTL8111EPV-CG Ethernet (DASH LAN) 2 x Audio jacks 1 x DC power connector (supports 19V)Source

Networking

1 item
Network interfaces and requirements
1 x RTL8111EPV-CG Ethernet(DASH LAN) ASUS LANGuard; M.2 slot only (Key E, CNVi & PCIe)* * Wi-Fi module is sold separately.Source

Audio

1 item
Audio interfaces
Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.Source

Power, cooling & lighting

1 item
Internal headers and connectors
Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin Chassis Fan header Power Related 1 x 2-pin +19V Power connector 1 x SATA power connector Storage Related 1 x M.2 slot (Key M) 2 x SATA 6Gb/s ports USB 1 x USB 10Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports 1 x USB 2.0 header supports 1 additional USB 2.0 port AIO System Related 1 x Stereo Speaker header 1 x DMIC header Flat Panel Display Related 1 x Backlight Inverter Voltage Selection header 1 x FPD Brightness header 1 x Panel Voltage Selection header 1 x Panel Off header Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x COM Debug header 1 x LVDS connector 1 x M.2 slot (Key E) 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System headerSource

BIOS, software & diagnostics

2 items
CPU support and BIOS requirements
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* *CPU only support up to 65W ** Refer to https://www.asus.com/support/download-center/ for CPU support list. BIOS: 256Mb Flash ROM, UEFI AMI BIOS

Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

Source
Listed operating systems
Windows 11 (22H2 & later), Windows 10 64-bit(21H2 & later)Source
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