Designed exclusively for Surface, the SD5750T Thunderbolt 4 Dual 4K Docking Station (DFS) delivers premium Thunderbolt benefits - now and into the future. Compatible with USB4/Thunderbolt 4-enabled Surface laptops, supports USB-C and USB-A accessories and provides full power regardless of how many devices are connected. Special features include 11 ports [four Thunderbolt 4, four USB-A (one 5V/1.5A charging port on the front and three Gen2 @ 10Gbps ports on the back), one Gigabit Ethernet port, one Audio combo jack and a UHS-II SD 4. 0 card reader], Single 8K @ 30 Hz or up to Dual 4K @ 60 Hz video, 40 Gbps data transfer speeds, secure and manageable Intel VT-d DMA protection, a Zero -Footprint mounting option, security cable lock slots, free Kensington DockWorks software and a three-year warranty.