Add dual external PCIe (PCI Express 3.0) slots. Thunderbolt 3 ports. and a DisplayPort connection to a Thunderbolt 3 equipped system.Add two PCI-Express 3.0 x16 capable cards and increase the potential of a Thunderbolt 3 or 4 capable laptop. desktop. or all-in-one system. This Thunderbolt 3 PCIe Expansion Chassis lets you take advantage of the vast range of PCIe expansion cards with computers that lack PCIe slots. The chassis lets you connect an external monitor via the DisplayPort (DP) or Thunderbolt 3 ports. supporting Ultra High Definition (UHD) 4K or 8K resolutions.Enhanced Computer CapabilitiesConnect the expansion box to a Thunderbolt 3 or 4 computer with the included 3.3ft (1m) Thunderbolt-certified cable. The chassis features dual PCIe 3.0 x16 slots with 32Gbps of bandwidth that is shared dynamically between both slots (each slot supports up to 2700MBps/21.6Gbps). Add extra functionality to a host device using video capture cards. high-speed fiber or Ethernet networking. NVMe d