Auto Code: 900save$40

Available now

 Auto Code: 900save$40

Available now


Sale price$559.00 USD Regular price$689.00 USD
Save $130.00

CPU: Intel Core i9 13900HX
Mini-ITX Size: 170mm x 170mm x 1.6mm
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MINISFORUM AR900i is the ultimate MoDT (Mobile Desktop) motherboard. It is powered by Intel's 13th generation most powerful flagship CPU - 13900HX with 4* M.2 slots, providing gamers and DIY enthusiasts with a new gaming and computing experience.

Unleashed Performance

The AR900i motherboard features the 13th generation Core i9-13900HX flagship processor with 24 cores and 32 threads, a maximum RWI frequency of 5.4GHz, and 36MB of cache for gaming performance comparable to 13900K desktop processors.

Onboard CPU

Highly efficient heat dissipation system

AR900i features a customized CPU heatsink designed for mobile processors. Supporting the customized cooling design of 12CM fan, it significantly improves the cooling efficiency, and with i9-13900HX processor, it provides up to 100W of stable performance release for the system.

Customized CPU coolers

Customized cooling for mobile processors. Very safe and reliable to stabilize performance release

*Support 12CM fan

Custom PCle SSD Cooler

Long-lasting and efficient operation

Front SSD only with heat sink

Fan connector pin

DIYer's Dream: Comprehensive Connectivity

AR900i has a wealth of interfaces.
Including 1 * HDMI2.0  & 1 * DP1.4  & 1 * USB 3.2 Gen2 Type-C.
Support for three-screen simultaneous display. Up to 8K display.  2 * USB3.2 Gen1 Type-A  &  2 * USB2.0 Type-A  &  1 * 2.5G RJ45 network port.
Built-in AX210 wireless network card, support for WiFi6E high channel and Bluetooth 5.3, each speed channel is complete, connection is worry-free.

Ultra-expansive, next-level performance

AR900i has a wealth of interfaces.
MINISFORUM has taken into consideration the user's need for versatile expansion. AR900i has 4 * M.2 slots, making it easy for gamers to set up their own home NAS system. the addition of PCIe5.0 x16 slot provides users with unlimited expansion possibilities, which can support the latest generation of graphics card standards to meet the needs of 3D rendering, video editing, and more.

Supports the latest generation of graphics card

Multi-scenario application

3A Gaming

Design/Video editing

What's in the Box?


Mounting Screw Set

User Manual

Matched Cases

Click to view chassis(for your reference)



Intel® Core™ i9-13900HX


Intel® HM770


DDR5 Dual channel (SODIMM Slots×2, up to 5200 MT/s, Max 96GB)


M.2 2280 PCIe 4.0 SSD Slots *4

Expansion Slot

PCIe 5.0 X16 connector ×1

Wireless Connectivity

M.2 2230 Key E Slot

Video Output

HDMI2.0 (4K@60Hz)×1;DisplayPort1.4 (8K@60Hz)×1;USB-C (4K@60Hz)×1

Audio Output

HDMI2.0 ×1;DisplayPort1.4 ×1;USB-C ×1;Line Out ×1


RJ45 2.5G Ethernet Port×1

USB Ports

USB3.2 Gen2 Type-C Port ×1(Alt DP)
USB3.2 Gen1 Type-A Port ×2
USB2.0 Type-A Port ×2

I/O Ports

4-pin CPU Fan header ×1
4-pin System Fan header ×2
4-pin SSD Fan header ×1
USB 3.2 Gen 1 header ×1
Front Panel Audio header ×1
System Panel header ×1

Form Factor

Mini-ITX Form Factor(170x170x1.6mm)

Free shipping

Provide safe, free delivery to customers

Customer service

Provide technical support and after-sales service

Rewards Program

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Secure payment

Our products are covered by a 24-month warranty.