9 Best Mini ITX Motherboards (November 2026)

Mini ITX motherboards are essential for builders who want powerful PCs in compact cases. These boards fit 170x170mm footprints while supporting modern CPUs, RAM, and GPUs. Choosing the right one ensures thermal stability and future-proof connectivity.

We compared nine top-rated Mini ITX boards based on power delivery, connectivity, and user reviews. Our analysis covers AM5, AM4, and Intel LGA1851 sockets to help you find the best match for your specific build requirements and budget.

Each pick highlights key strengths like PCIe 5.0 support, WiFi 7, and robust VRMs. While prices fluctuate, these models consistently deliver reliability. Check current listings for the latest deals before finalizing your compact system build.

Top 3 Picks for Best Mini ITX Motherboards

Top 9 Best Mini ITX Motherboards in 2026 Compared

This table compares all nine Mini ITX motherboards side by side. Look at socket type, PCIe version, and memory support to quickly identify which board meets your needs.

1. ASRock B650I Lightning WiFi – Best Overall Mini ITX Motherboard

4.1Editor scoreCheck price on Amazon

ASRock B650I Lightning WiFi

AM5 Socket Support

PCIe 5.0 M.2

DDR5 7200+ OC

8+2+1 Power Phase

The ASRock B650I Lightning WiFi stands out as a top Mini ITX motherboard for AMD AM5 users. With a 4.1 rating, it delivers a balance of high-speed storage and stable power delivery in a compact 170x170mm package.

Pros

• PCIe 5.0 M.2 support
• Robust 8+2+1 power phase
• Integrated WiFi 6E and 2.5G LAN
• BIOS Flashback feature included

Cons

• Limited rear USB ports

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Its 8+2+1 power phase design ensures that even high-core Ryzen 9000 or 8000 series processors run smoothly. The PCIe 5.0 M.2 slot provides next-gen storage speeds for those building future-proof systems without sacrificing case size.

While the rear I/O is decent, some users might prefer more USB Type-A ports for peripherals. However, the inclusion of BIOS Flashback helps mitigate potential updates issues without needing a CPU installed initially.

This board is ideal for gamers and creators seeking a compact yet powerful build. If you want PCIe 5.0 support and reliable AM5 compatibility, this ASRock model is a strong recommendation for your next mini PC.

Power Delivery Excellence

The 8+2+1 phase VRM keeps temps low during heavy multi-core workloads.

Future-Proof Storage

PCIe 5.0 M.2 ensures your NVMe SSDs run at maximum speeds for years.

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2. Gigabyte A520I AC – Best Budget AM4 Mini ITX Board

4.4Editor scoreCheck price on Amazon

Gigabyte A520I AC

AM4 Socket Support

6 Phase PWM VRM

PCIe 3.0 M.2

WiFi AC & Bluetooth

The Gigabyte A520I AC is a fantastic budget option for small form factor builds using older AM4 CPUs. With a high 4.4 rating, it offers great value for users prioritizing cost over cutting-edge speed.

Pros

• Very affordable price point
• Solid 6-phase digital VRM
• Compact Mini ITX design
• Integrated WiFi and Bluetooth

Cons

• Only PCIe 3.0 support
• DDR4 only memory

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Its 6-phase digital PWM and 55A DrMOS provide enough power for mid-range Ryzen processors like the 5600. The board includes essential connectivity like Intel WiFi and Bluetooth, making it ready for wireless setups immediately.

On the downside, PCIe 3.0 limits GPU and SSD speeds compared to newer boards. If you plan to use modern PCIe 4.0 hardware, you may not fully utilize its potential with this motherboard.

For budget-conscious builders or those upgrading an existing AM4 system, this board is a smart choice. It offers reliable performance and essential features without breaking the bank for your compact PC.

Cost-Effective Design

Delivers essential features for a low price without sacrificing build quality.

Compact Connectivity

Integrated WiFi and Bluetooth remove the need for extra adapter cards.

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3. ASRock A620AI WiFi – Best Budget AM5 Mini ITX Board

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ASRock A620AI WiFi

AM5 Socket Support

8+2+1 Power Phase

Dual LAN Ports

DDR5 8200+ OC

The ASRock A620AI WiFi brings affordable AM5 compatibility to Mini ITX enthusiasts. It supports Ryzen 9000 and 7000 series processors while maintaining a compact footprint suitable for small cases.

Pros

• Supports latest AM5 Ryzen CPUs
• Dual LAN for better networking
• High DDR5 overclocking support
• Affordable for AM5 standard

Cons

• No PCIe 5.0 M.2
• B650 chipset limits overclocking

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With an 8+2+1 power phase design and dual LAN ports, it offers versatility often missing in budget boards. The support for DDR5 up to 8200+ OC allows for fast memory speeds even at a lower price tier.

However, the absence of PCIe 5.0 means storage speeds are capped at Gen4. Also, the A620 chipset restricts some CPU overclocking capabilities compared to B650 models.

Choose this board if you want AM5 features without the premium price tag. It is perfect for entry-level gaming or office builds where cost-effectiveness is key.

Dual LAN Advantage

Two network ports allow for failover or link aggregation setups.

AM5 Accessibility

Makes upgrading to Ryzen 7000/9000 affordable for small cases.

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4. ASRock B860I – Best Intel Mini ITX Option

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ASRock Intel Core Ultra B860I

LGA1851 Socket

PCIe 5.0 M.2

DDR5 8933+ OC

HDMI & DP Output

The ASRock B860I supports the new Intel Core Ultra processors on LGA1851. It offers excellent high-speed memory and storage options in a small package, ideal for modern Intel mini PCs.

Pros

• Latest Intel Core Ultra support
• PCIe 5.0 M.2 slot
• High DDR5 memory speed support
• Compact Mini ITX form factor

Cons

• Requires new Intel LGA1851 CPU
• Limited audio codec

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Its 8+1+1+1+1 power phase design ensures stable power delivery to next-gen CPUs. The PCIe 5.0 M.2 slot provides top-tier NVMe performance for fast boot times and file transfers.

One drawback is the relatively basic audio codec compared to gaming boards. Still, for business or productivity builds, the focus remains on speed and reliability rather than surround sound features.

This board is great for those switching to Intel Core Ultra architectures. It ensures your compact build is ready for the latest CPU innovations and high-speed peripherals.

Next-Gen Intel Ready

Designed specifically for the latest Core Ultra LGA1851 processors.

Fast Memory Support

DDR5 speeds up to 8933+ allow for quick data processing.

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5. GIGABYTE B550I AORUS PRO AX – High-End AM4 Mini ITX

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GIGABYTE B550I AORUS PRO AX

AM4 Socket Support

PCIe 4.0 x16 Slot

WiFi 6 Integration

2x M.2 Slots

The GIGABYTE B550I AORUS PRO AX is a feature-rich board for high-end AM4 builds. It supports Ryzen 5000 series and includes dual M.2 slots for extensive storage without needing adapters.

Pros

• Dual M.2 slots for storage
• Robust heatsink and cooling
• Integrated WiFi 6 and 2.5GbE
• RGB Fusion lighting support

Cons

• Premium price for AM4 socket
• Requires larger cooling cases

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Its thermal armor and extended VRM heatsink are crucial for Mini ITX cases with limited airflow. The 2.5GbE LAN and WiFi 6 provide fast connectivity for gaming and streaming without lag.

While the socket is older, the build quality and features justify the cost for enthusiasts. RGB Fusion adds aesthetic value for those wanting a customized look inside their small case.

Buy this if you need dual fast NVMe drives and high-quality components in a compact AM4 board. It balances performance and style for dedicated Mini ITX users.

Superior Cooling

Extended VRM heatsink keeps temperatures stable even during gaming sessions.

Storage Flexibility

Two M.2 slots support large PCIe 4.0 SSD arrays effectively.

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6. ASUS ROG STRIX X870-I – Best Premium Mini ITX

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ASUS ROG STRIX X870-I

AM5 Socket Support

10+2+1 Power Stages

WiFi 7 Connectivity

USB4 Port Support

The ASUS ROG STRIX X870-I is the flagship Mini ITX option for power users. It supports AMD Ryzen 9000 series with robust AI-enhanced tools and massive power stage capacity.

Pros

• High-end 10+2+1 VRM design
• Latest WiFi 7 standard included
• AI Overclocking and cooling tools
• USB4 port for fast data

Cons

• Very expensive price point
• May need specialized case

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With WiFi 7 and USB4, this board offers cutting-edge connectivity. The 10+2+1 power stages ensure that high-demand CPUs get stable power for demanding workloads like 3D rendering.

Cost is a major factor here, making it suitable for enthusiasts who want the absolute best. It also requires careful case selection due to the dense component layout.

If you need top-tier performance and future-proof tech, this is the board to buy. It sets the standard for high-end Mini ITX motherboard capabilities in 2026.

AI Optimization

AI Overclocking and AI Cooling help tune the system automatically.

Next-Gen Networking

WiFi 7 ensures ultra-low latency for competitive online gaming.

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7. MSI MPG B850I Edge TI – Excellent AM5 Feature Set

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MSI MPG B850I Edge TI WiFi

AM5 Socket Support

PCIe 5.0 x16 Slot

WiFi 7 & 5G LAN

FROZR Thermal Pads

The MSI MPG B850I Edge TI WiFi is a powerful AM5 board with excellent thermal features. It uses a 90A SPS VRM to ensure stable performance even under high load.

Pros

• 90A SPS VRM for stability
• Gen5 M.2 storage support
• Strong WiFi 7 and LAN speed
• Effective thermal management pads

Cons

• Higher price for mid-range chipset
• Design requires specific cases

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Features like PCIe 5.0 x16 and M.2 Gen5 make it a great choice for high-speed components. The 5G LAN and WiFi 7 provide top-tier internet speeds for data-heavy tasks.

While it sits at a higher price point, the build quality justifies it. The FROZR Guard thermal pads are crucial for keeping the VRM and M.2 drives cool.

Consider this board if you want a balance of high-speed storage and reliable power. It suits those who need modern connectivity without overspending on premium features.

Superior Thermal Design

FROZR Guard ensures components stay cool in tight enclosures.

Connectivity Speed

5G LAN and WiFi 7 provide future-proof network performance.

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8. ASUS PRIME H610I-PLUS D4 – Affordable DDR4 Option

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ASUS PRIME H610I-PLUS D4

LGA1700 Socket

DDR4 Memory Support

PCIe 4.0 Slot

1GbE LAN

The ASUS PRIME H610I-PLUS D4 is an affordable choice for 12th Gen Intel builds. It supports DDR4 memory which keeps costs down while still offering PCIe 4.0 speeds.

Pros

• Budget-friendly pricing structure
• PCIe 4.0 support included
• DDR4 memory compatibility
• Compact Mini ITX layout

Cons

• Basic audio and cooling
• Limited USB rear ports

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While it lacks advanced features, it covers the basics for office or light gaming PCs. The compact design fits easily into small cases without requiring extensive modifications.

The audio codec is basic, which is fine for everyday use. It also includes necessary headers for system management and security like SPI TPM.

This board is a practical pick for those sticking to DDR4 and older Intel CPUs. It offers value without compromising on essential small form factor performance needs.

DDR4 Compatibility

Uses existing DDR4 RAM to save on build costs.

Essential Headers

Includes SPI TPM for secure boot and security features.

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9. GIGABYTE X870I AORUS PRO ICE – Premium White Design

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GIGABYTE X870I AORUS PRO ICE

AM5 Socket Support

PCIe 5.0 Support

WiFi 7 Connectivity

EZ-Latch Features

The GIGABYTE X870I AORUS PRO ICE stands out with its white aesthetic for unique builds. It supports Ryzen 9000 series and provides essential PCIe 5.0 connectivity for future hardware.

Pros

• White aesthetic for custom builds
• 8+2+1 Smart Power Stages
• PCIe and M.2 EZ-Latch included
• 2.5GbE LAN support

Cons

• High price point
• White finish may show dust

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Features like EZ-Latch make installing graphics cards and SSDs easier in tight cases. This practical design helps reduce assembly errors during your small form factor build.

While it is expensive, the design appeal and build quality attract many enthusiasts. It also includes a 5-year warranty which adds value for long-term usage.

Buy this if you want a stylish white board with modern AM5 tech. It suits users who prioritize aesthetics alongside solid performance and easy installation.

Aesthetic Appeal

The white color scheme matches popular RGB components perfectly.

EZ-Latch Systems

Tool-free mounting for GPU and M.2 drives simplifies setup.

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Buying Guide – How to Choose the Best Mini ITX Motherboards

Choosing a Mini ITX motherboard involves balancing size with performance. Use this guide to understand which factors matter most for your specific build.

Socket Type

Ensure the board socket matches your CPU. AM5, AM4, LGA1700, and LGA1851 are common. Check compatibility lists before buying.

Always verify socket match to avoid purchasing incompatible hardware.

Power Delivery (VRM)

VRMs regulate power to the CPU. High-core CPUs need stronger VRMs (8+ phases) to avoid overheating.

Look for robust VRM phases if using powerful CPUs.

Expansion Slots

Mini ITX boards have one PCIe x16 slot for a GPU. Check PCIe version (4.0 or 5.0) for GPU and storage speeds.

PCIe version determines your storage and graphics performance.

Memory Support

DDR5 is standard on AM5 boards. DDR4 is found on older AM4 or Intel models. Check RAM speed limits for overclocking.

Match DDR type and speed to your budget needs.

Connectivity

Check rear USB count and type. Front USB headers are essential. WiFi 6E or 7 is common now for wireless networks.

Verify rear USB and WiFi types for your peripherals.

Thermal Design

VRM heatsinks and M.2 shields are crucial for cooling in small cases. Airflow matters more in Mini ITX.

Look for extended VRM heatsinks to manage heat.

Storage Options

Most boards offer 1-2 M.2 slots and some SATA ports. Check PCIe generation support for NVMe SSDs.

Ensure enough M.2 slots for your storage needs.

Budget

Prices range from $100 to $350+. Budget boards lack features. Premium boards offer better build and newer tech.

Set a budget before choosing between basic and premium models.

How to Use and Care for Your Mini ITX Motherboards

Install the CPU gently by lowering the lever straight. Place thermal paste sparingly and mount the cooler firmly to ensure contact.

Keep the PC in a well-ventilated case. Mini ITX systems heat up faster, so ensure fans are correctly positioned to push air through the system.

Update the BIOS regularly for stability. Use USB Flashback if available to update without a CPU installed. Avoid touching the board with bare hands.

Frequently Asked Questions

Final Thoughts on Choosing the Best Mini ITX Motherboards