ELECOM 4-port USB 3.0 hub, bus powered, for tablets, black, U3H-A411BBK, 1 unit

Catalog number: U3H-A411BBK Features: ●A 4-port USB 3.0 hub that can be used with USB 3.0-compatible USB memory, card readers, HDDs, etc. by connecting to a Surface(TM) or Windows(R) tablet. ●The cable length is 30 cm, making it ideal for use with tablets. ●Compatible with USB 3.0, which achieves a transfer speed of 5 Gbps and a transfer speed (theoretical value) that is approximately 10 times faster than conventional USB 2.0. ●If the computer or device supports USB 3.0, large amounts of data can be transferred at high speed. ●It can also be used with USB 2.0/1.1, so it can be connected directly to computers and devices that support USB 2.0/1.1. ●In addition to the 3 ports on the front, it is equipped with 1 port on the side, making it convenient for connecting wide USB devices. ●This is a bus-powered type that does not require an AC adapter. Specifications: Color: Black Interface: USB 3.0 (when connected to a USB 2.0 interface, it operates in USB 2.0 compatibility; when connected to a USB 1.1 interface, it operates in USB 1.1 compatibility) Connector shape: PC side (upstream port): USB A (male) x 1, USB device side (downstream port): USB A (female) x 4 Operating environment: Temperature 5-40°C, humidity 30-80% (no condensation) Compatible OS: Windows 8.1, 8, 7 (SP1), Vista (SP2) / Mac OS X 10.6-10.6.8 / OS X 10.7-10.7.5, 10.8-10. 8.3, 10.9, 10.10●Maximum transfer speed: USB3.0 SuperSpeed/5Gbps (theoretical value), USB2.0 HighSpeed/480Mbps (theoretical value), USB1.1 FullSpeed ​​12Mbps (theoretical value)●Number of upstream (PC side) ports: 1●Number of downstream (peripheral device side) ports: 4●USB cable method: USB3.0●USB cable length: Approximately 30.0 cm (excluding connector)●Supply current: Within 720 mA in total for 4 ports (less than 180 mA for each port)●External dimensions: Approximately width 70.0 x depth 36.0 x height 13.5 mm (excluding cable)●Warranty period: 6 months