Power Delivery Thunderbolt 4 host port provides up to 60W of power to the host puter Thunderbolt 4 device ports for external drives and other devices provide 15W of power USB port provides up to 1.5A of power for buspowered drives and device chargingDisplay Support Up to one 8K display 60Hz one 4K display Hz two 4K displays 60Hz one 4K display 60Hz one 4K display 30Hz or two 5K displays 60Hz Display Support by Port Thunderbolt 4 Up to 8K 60Hz or 4K Hz via a native Thunderbolt 4 display or other display that supports USBC connections and DisplayPort 1.4 NOTE Actual display support varies by puter specifications Supported Intelbased Mac models and Thunderbolt 4 PCs support two displaysDevice Ports 1 Host Port Thunderbolt 4 up to 40 Gb/s MB/s 3 Thunderbolt 4 Ports 1 USB 3.2 Gen 2 TypeA Port up to 10Gb/s MB/s USB 2.0/3.0 backwards patibleHost Port Support Thunderbolt or USB USBC or USBA port Works with Thunderbolt 4 Thunderbolt 3 USB4 and USB host puters and mobile devices Thunderbolt/Thunderbolt 2 Mac models are supported via USBA host connection Thunderbolt/Thunderbolt 2 host connection is not supported USB connection may limit some functionality certified OWC Thunderbolt 4 cable includedpatible with Macs with an available Thunderbolt 3 or later port running macOS 11.1 B Sur or later Windows PC with an available Thunderbolt 4 port and nonThunderbolt USBC machines like Chromebooks and iPads USBC equipped MacBook iPad Chromebook Android device 2 Year OWC Limited Warranty