ASUS Pro A620AT-CSM Mini ITX Motherboard
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About This Item
- AMD A620A chipset with Socket AM5 for AMD Ryzen 7000/8000/9000 Series CPUs
- Thin Mini ITX form factor with passive cooling and 2x SO-DIMM DDR5 slots (up to 128 GB)
- 1x M.2 2280 slot supporting PCIe 4.0 and 2x SATA III storage interfaces
- 2x USB 3.2 Gen 2 Type-A ports, 1x HDMI 2.1, 1x DisplayPort 1.4 outputs
- Windows 10/11 64-bit support with TPM connector and chassis intrusion detection
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ASUS Pro A620AT-CSM | AMD Thin Mini ITX Business Motherboard
The ASUS Pro A620AT-CSM AMD A620A Socket AM5 Thin Mini ITX is a compact, business-focused motherboard built for reliable 24/7 operation in space-constrained environments. Designed for AMD Ryzen 7000/8000/9000 Series processors, it delivers enterprise-grade stability, passive cooling, and advanced security features ideal for digital signage, kiosks, and office PCs.
Key Specifications
| Metric | Spec |
|---|---|
| Form Factor | Thin Mini ITX |
| Processor Support | AMD Ryzen 7000/8000/9000 Series (Socket AM5) |
| Memory Support | DDR5 SO-DIMM, up to 128 GB |
| Storage | M.2 NVMe + 2x SATA III |
| Cooling | Passive (fanless) |
| Audio | 7.1 channels |
| Security | TPM, ASUS Secure Boot, Self-recovering BIOS |
Built for Business Reliability
The ASUS Pro A620AT-CSM is engineered for continuous operation with anti-moisture coating, anti-sulfur resistors, and stainless-steel back I/O panels that resist corrosion three times longer than standard designs. It undergoes 24/7 reliability testing at temperatures up to 45°C and 80% humidity, ensuring dependable performance in demanding commercial environments.
Enterprise Security & Management
ASUS Shield provides comprehensive protection through Trusted Platform Module (TPM), hardware-based secure boot, and self-recovering BIOS that automatically restores firmware after failed updates. The motherboard includes ASUS Control Center Express (with purchase), offering real-time IT monitoring, automated maintenance scheduling, and secure endpoint management across your organization.
Compact Design with Professional Features
This Thin Mini ITX board combines space-saving dimensions (170 x 170 mm) with full business functionality. It features HDMI 2.1, DisplayPort 1.4, dual USB 3.2 Gen 2 ports, and a 2.5Gb Ethernet LANGuard connection. The passive cooling design eliminates fan noise, making it perfect for quiet office environments or digital displays where acoustics matter.
What Is in the Box
- ASUS Pro A620AT-CSM motherboard
- SATA cables
- I/O shield
- User manual and warranty card
Things to Check First
- Confirm your AMD Ryzen processor is Socket AM5 compatible
- Verify you need DDR5 SO-DIMM memory (not standard DDR5)
- Check that your case supports Thin Mini ITX form factor
- Ensure you have a 12V DC power adapter for this board
Buyer FAQs
Does this motherboard support Wi-Fi?
What type of memory does this board use?
Is this motherboard suitable for gaming?
What processors are compatible with this motherboard?
Does it come with any management software?
Why we rate it
The ASUS Pro A620AT-CSM delivers exceptional value for businesses needing a reliable, compact motherboard with enterprise-grade security and management features. Its passive cooling, 24/7 reliability testing, and comprehensive protection make it ideal for digital signage, kiosks, and office deployments where stability matters more than expandability. Covered by the applicable manufacturer warranty.
| USB 3.2 Gen 2 3.1 Gen 2 connectors | 1 |
|---|---|
| Front panel connector | Yes |
| 12V power connector | Yes |
| USB 2.0 connectors | 3 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 2 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 1 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| Number of CPU fan connectors | 1 |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Number of memory slots | 2 |
| Memory slots type | SO-DIMM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Maximum internal memory per slot | 64 GB |
| Number of HDDs supported | 2 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, PCI Express 4.0, SATA III |
| Number of storage drives supported | 3 |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 2 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 2 |
| Headphone outputs | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| Motherboard chipset family | AMD |
| Supported processor sockets | Socket AM5 |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Product colour | Green |
| Number of M.2 M slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Power source type | DC |
| Maximum resolution | 3840 x 2160 pixels |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Width | 170 mm |
| Depth | 170 mm |
| Cables included | SATA |
| Number of Ultra M.2 M slots | 1 |
| Distributor SKUs | MBD-90MB1L5M-M0EAYC, 591462, CL90MB1L5M-M0EAYC |










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