StarTech.com Thunderbolt 3 PCIe Expansion Chassis, External Enclosure W/Dual PCI Express Slots, PCIe Box for Laptops/Desktops/All-In-Ones, 8K/4K Output Via TB3/DP 1.4 Ports, For Video Capture/Fiber/Ethernet Cards - TAA

THUNDERBOLT 3 PCIE EXPANSION CHASSIS: Add PCI Express support to a Thunderbolt 3/4 capable laptop/desktop computer; Dual external PCIe 3.0 x16 slots; 32 Gbps of combined bandwidth (up to 21.6 Gbps/2700 Mbps per slot); 3.3ft (1m) Thunderbolt cable included.

EXPANDABILITY FOR LAPTOPS: Integrate video capture cards, high-speed fiber/Ethernet connectivity, NVMe drives, Fire Wire cards, and more to unlock the potential of a notebook using this Thunderbolt 3 to PCIe chassis; Toolless design; Aluminum construction. 8 K & 4 K DISPLAY SUPPORT: Connect a display through the external PCIe enclosure; The DP 1.4 port and TB3 ports support video outputs up to 8 K/5 K 60 Hz or dual 4 K 60 Hz (other video resolutions are also supported); PCIe box does not support GPU graphic cards.