Designed exclusively for Surface, the SD5750T Thunderbolt 4 Dual 4KDock (DFS) offers premium Thunderbolt benefits now, and well into thefuture. Compatible with USB4/Thunderbolt 4-enabled Surface devices,supports USB-C and USB-A accessories, and provides 90W power deliveryregardless of how many devices are connected. Features include 11-ports[four Thunderbolt 4, four USB-A (one 5V/1.5A charging port on the frontand three Gen2 @ 10Gbps ports on the rear), one Gigabit Ethernet port,one audio combo jack, and one UHS-II SD 4.0 card reader], Single 8K @30 Hz, or up to Dual 4K @ 60Hz video, 40Gbps data transfer speeds, secureand manageable Intel VT-d DMA protection, a zero-footprint mountingoption, security cable lock slots, free Kensington DockWorks software,and a three-year warranty.