ELECOM U2H-A421BX-BK USB Hub Black [Bus Powered / 4 Ports / USB2.0 Compatible] [U2HA421BXBK]

*This is an automatic translation
■Interface: USB2.0 (operates with USB1.1 compatibility when connected to USB1.1 interface) ■Connector shape: PC side (upstream port): USB A (male) x 1, USB device side (downstream port): USB A (female) x 4 ■Supported OS: Windows 10, 8.1, 7 (SP1)/ macOS High Sierra (10.13) *Updating to the latest version of each OS or installing a service pack may be required. ■Maximum transfer speed: USB2.0 high speed/480Mbps (theoretical value), USB1.1 full speed/12Mbps (theoretical value) ■Number of upstream (PC side) ports: 1 ■Number of downstream (peripheral device side) ports: 4 ■USB cable method: USB2.0 ■USB cable length: Approx. 7.0cm (excluding connector) ■Power supply method: Bus power ■Available current: 4 ports total within 400mA (each port less than 100mA) ■Color: Black ■External dimensions: Approx. width 87.0 x depth 22.0 x height 12.0mm (excluding cable) ■Weight: Approx. 23.0g ■Operating environment: Temperature 5-40℃, humidity 30-80% (no condensation) ■Warranty period: 6 months