The JONSBO X400 is a mid‑tower ATX PC chassis that combines a bold “e‑sports mecha” skeletal design with practical build flexibility. It features a dual‑compartment layout and dual tempered glass panels to showcase internal hardware from multiple angles, while offering extensive cooling support and friendly cable management.

Dual‑Compartment & Aesthetic Structure - Utilises a rugged skeleton frame design with left/right compartment separation and double tempered glass side panels to enhance visual appeal and give clean hardware presentation.

Extensive Cooling & Airflow Support - Supports up to 13 fan positions — including top, side, bottom and rear locations — plus radiator support for 240/280/360 mm AIO units (top) and 360 mm radiators (side). Patented auxiliary air guides help channel airflow to key heat zones such as VRMs for improved cooling capacity.

Broad Component Compatibility - Designed to accommodate ATX, Micro‑ATX and Mini‑ITX motherboards, GPUs up to 427 mm long, CPU coolers up to 176 mm tall, and PSU units up to 180 mm, making it versatile for a wide range of builds.

Modern I/O & Build‑Friendly Features - Front I/O includes USB 3.2 Gen1 Type‑A ×2, USB 3.2 Gen2 Type‑C ×1, and audio/mic jacks. The chassis also offers rear back‑connect motherboard compatibility, cable management covers, and tool‑free panels to simplify installation and maintenance.