The ST4300USBM 4-Port Mountable Industrial USB 3.0 Hub from StarTech.com offers a simple way to expand a systems current USB capability by providing 4 additional external USB 3.0 ports from a single USB 3.0 host connection, with speeds up to 5 Gbps. It is designed for extreme operating environments; this industrial-grade hub provides reliability under almost any condition and can be securely mounted to most surfaces. Moreover the hub is fully compliant with the SuperSpeed USB 3.0 specification and backward compatible with USB 2.0 and 1.x specifications for simultaneous support of older USB peripherals or even older systems without USB capabilities. Additionally, this hub is made of all metal chassis, built-in surface mounting brackets and choice of power input method makes this versatile enough for almost any environment. With all these features and more it has an internal dual-regulator power circuits which provide up to 900mA of stable and reliable power per port. Device Type: Hub - 4 ports Enclosure Type: Desktop Subtype: USB Ports: 4 x SuperSpeed USB 3.0 Features: Wall mountable Compliant Standards: USB 1.1, USB 2.0, USB 3.0 Power: DC 7 - 24 V Dimensions (WxDxH): 2.4 in x 6 in x 0.9 in Weight: 16.93 oz Color: Black System Requirements: Microsoft Windows XP, Microsoft Windows XP 64-bit Edition, Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2003 x64 Edition, Microsoft Windows Vista (32/64 bits), Microsoft Windows Server 2008 R2 x64 Edition Manufacturer Warranty: 2 years warranty Bundled Services: 2 years warranty Designed For: P/N: MSDREADU2OTG, PEXUSB3S24 Device Type: Hub - 4 ports Enclosure Type: Desktop Subtype: USB Ports: 4 x SuperSpeed USB 3.0 Features: Wall mountable Compliant Standards: USB 1.1, USB 2.0, USB 3.0 Status Indicators: Port status, power Interfaces: 4 x USB 3.0 - Type A USB 3.0: 1 x 4 pin USB Type B Power Device: External power adapter Voltage Required: DC 7 - 24 V Color: Black Compliant Standards: Plug and Play, FCC, RoHS OS Required: Microsoft Windows XP, Microsoft Windows XP 64-bit Edition, Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2003 x64 Edition, Microsoft Windows Vista (32/64 bits), Microsoft Windows Server 2008 R2 x64 Edition Width: 2.4 in Depth: 6 in Height: 0.9 in Weight: 16.93 oz Service & Support: Limited warranty - 2 years Min Operating Temperature: 32 °F Max Operating Temperature: 131 °F Humidity Range Operating: 5 - 95% Min Storage Temperature: -4 °F Max Storage Temperature: 185 °F Designed For: P/N: MSDREADU2OTG, PEXUSB3S24