Buffalo USB3.0 Self power 4-port hub black Standard model BSH4A125U3BK Nintendo Switch / Windows / Mac compatible

Self-powered for stable operation of devices with high power consumptionSupports USB3.0 high-speed transfer standard3+1 port layout for convenienceUnique design to reduce heat generation and overvoltageEquipped with LED lamp to check the power-on statusCompatible model PC with USB Type-A port that supports USB host functionSupported OS Windows 10 / 8.1 / 7, Mac OS X 10.9 or later, Interface USB3.0 / 2.0 / USB1.1 (Type-A), Data transfer rate USB3.0 up to 5 Gbps (specified), USB2.0 up to 480 Mbps (specified), USB1.1 up to 12 Mbps (specified value), Number of ports 4 portsPower supply method Self-powered/Bus-powered, Supply current Self-powered 4 ports total 2900mA or less, Bus-powered 4 ports total 800mA or less (when connected to USB3.0 port) Depends on the supply current of the PC to be connected. Cable length approx. 1.0 m (excluding connector), AC adapter cable length approx. 1.5 m