TU150 functionalities are inspired by the market leaders TU100 and TU200 Notable improvements include a redesign of the iconic handle which is now Retractable and can Vanish seamlessly into the chassis top panel to leave room to a stylish system for all to admire In addition the top panel gained depth from the handle leaves enough room for proper cable management An essential feature in mini- its cases i/O ports 2x USB3 0 1x Type C audio on the top m/B Type Mini-ITX/ mini-dtx system fan 1x 12cm in the front (optional) 1x 12cm in the rear(optional) psu SFX or SFX-L.