QuickSpecs Overview HP Pro Series 400 G9 Desktops PCs HP Pro Mini 400 G9 Desktop PC 1. Type-C® SuperSpeed USB 20Gbps signaling rate port (charge support up to 5V/3A) 4. Combo Audio Jack with CTIA and OMTP and headset support 2. Type-A SuperSpeed USB 10Gbps signaling rate port ...