This product is either discontinued or we cannot get that from suppliers.
Mini Thunderbolt 3 Dock - MacBook Pro/Windows, Dual 4K 60Hz DP, Wired, Supported Notebook, Thunderbolt 3, 1 - Thunderbolt™ 3 USB-C (24-pin) (40Gbps) Male, Black grey, 10/100/1000 Mbps, DisplayPort 4096 x 2160p @ 60Hz / 3840 x 2160p @ 60Hz, DisplayPort 5120 × 2880 @ 60Hz, Thunderbolt 3 - 40 Gbit/s, Windows® 7, 8, 8.1, 10, macOS 10.12 - 10.15, Aluminum.
The bus-powered Thunderbolt 3™ docking station connects to dual 4K DisplayPort displays. Compatible with macOS and Windows®, it’s the ideal accessory for your,, the attached USB-C cable has an extended length of (7.9 in., 20 cm).