INDUSTRIAL-GRADE PROTECTION: This Coolgear powered USB hub is built with a rugged metal housing and 15KV ESD surge protection per port, safeguarding connected devices from electrical damage in demanding office, lab, warehouse, and automation environments. SUPERFAST USB DATA TRANSFER: Transfer movies, photos, and files in seconds with up to 5Gbps speeds and is backwards compatible with USB 2.0 and 1.1 devices. The GL3510 chipset found in our USB port hub ensures stable connections for multiple devices. FAST CHARGING: These USB charging ports deliver up to 2.4A per port or 20W of total power for rapid charging of smartphones and tablets, or 900mA per port with bus power. This multi port usb hub is compliant with USB Battery Charging 1.2 supporting CDP, DCP, and SDP protocols. MOUNTABLE USB HUB DESIGN: Under desk USB hub mounting flanges enable flexible installation options. The mountable desktop USB hub is designed to keep your workspace organized. Includes a 5V/4A power adapter