Mini ITX Case,Computer Case,Mini Portable Small PC Case,Desktop Motherboard ATX Gaming PC Case,Multifunctional Peripheral Port,for Game Office How to Use: 1. Loosen the screws on both sides of the chassis with a screwdriver, and remove the side panels on both sides 2. Install SFX power supply 3. Install the graphics card extension cable 4. Install the motherboard, lock the corresponding screws, and plug in the extension cable 5. Install the graphics card, adjust the graphics card fixing bracket, and lock the corresponding screws 6. After wiring is completed, lock the side panel Specification: Item Type: Mini ITX Case Material: Aluminium Alloy Model: K102A Chassis Type: Desktop Support Motherboard: Support Micro ATX Motherboard 24.5 x 24.5cm, Standard ITX Motherboard 17 x 17cm CPU Cooler: Support CPU Cooler (Height Does Not Exceed 80mm) Hard Disk: Support One HDD+2 SSD Installation Positions Interface: Front USB x 2+AUDIO Power Supply: Support SFX (Micro) (125 x 100 x 63.5mm) Input Voltage: AC 110-240V Support Graphics Card Size: Half Height Graphics Card Chassis Size: Approx. 402 x 311 x 102mm / 15.82 x 12.24 x 4.01in Package List: 1 x Mini ITX Case 20 x Screws