Jonsbo BO400CG Gray

The Jonsbo BO400CG is a Mid Tower case designed for building high-performance PCs with Mini-ITX, Micro-ATX, or ATX motherboards. Built from SPCC and SGCC steel, its dimensions of 474×311×489 mm provide ample internal space for modern components, cooling solutions, and neat cable management. The Jonsbo BO400CG supports graphics cards up to 435 mm in length, CPU coolers up to 173 mm in height, and ATX PS2 power supplies up to 200 mm in length, making it suitable for gaming and workstation builds with full-sized components. Storage configuration supports up to two 2.5-inch SSDs and up to four 3.5-inch HDDs, ideal for setups requiring substantial local storage capacity. The cooling system can accommodate fans on the top, bottom, side, and rear, as well as liquid coolers up to 360 mm mounted in the upper, side, or lower sections. The front I/O panel includes two USB 3.2 Gen1 Type-A ports, one USB 3.2 Gen2 Type-C port, audio output, and a microphone jack. Its spacious interior and well-thought-out layout provide excellent flexibility for component installation, cable routing, and cooling solution selection. The Jonsbo BO400CG is an excellent choice for builds requiring storage capacity, support for large graphics cards, and a modern array of external connectivity options.