Warranty and Support – Questions only an expert can answer? When you contact our support team, you’re connecting with the engineers who design our devices. Every Plugable product is backed by our Seattle-based support team-even before purchase, and a 2-year limited parts and labor warranty after purchase Powerful Ports – 3x USB4 / Thunderbolt 4 ports for speeds up to 40Gbps, and 15W charging for phones and tablets. 1x USB-A up to 10Gbps, 1x upstream Thunderbolt 4 port up to 60W charging to host Compatibility – Thunderbolt 4 and USB4 systems, including Apple M1, M2, M3, M4 (Pro or Max, 11+), and Windows PCs (10+). Thunderbolt 4 dock supports up to 2x 4K screens at 60Hz, one 8K screen or 1x 6K on Apple silicon Macs. Thunderbolt 3 Windows systems not recommended Exceptional Expansion – Daisy chain up to six Thunderbolt devices with this Thunderbolt hub to make room for all of your USB-C and Thunderbolt devices, or use as a stand-alone charger-no computer necessary Thunderbolt 4 and More – The Plugable Thunderbolt 4 and USB4 Hub is the only device of its kind to be certified as Engineered for EVO by Intel. Built on the Intel Goshen Ridge Chipset for maximum USB-C, USB4, and Thunderbolt 4 functionality and compatibility.