This Thunderbolt 3 to PCIe M.2 adapter lets you take advantage of the speed of PCIe solid-state drives, connected externally to your Thunderbolt 3 desktop or laptop computer. The adapter combines the StarTech.com Thunderbolt 3 PCIe Expansion Chassis (TB31PCIEX16) and the M.2 PCIe SSD adapter card ( PEX4M2E1), giving you a DisplayPort output and an additional Thunderbolt 3 port. Boost your system speed and performance Get ultra-fast data access by adding this PCIe M.2 SSD adapter externally to your existing Thunderbolt 3 computer, using the Thunderbolt 3 chassis -- improving your storage performance and expanding overall capacity. The adapter supports PCIe M.2 SSDs (NVMe and AHCI): 2242, 2260, 2280, and 22110 drives. Extend your workstation Connect additional displays through the chassis' dedicated DisplayPort output and second Thunderbolt 3 (USB-C) port (USB-C video adapter may be required). With two extended displays, you can multitask effortlessly, avoiding the hassle of repositioning open windows or programs repeatedly throughout your workday. Install with ease You can assemble and connect the adapter in minutes. Put it together using only a screwdriver then plug and play with no software or drivers required.The PEX4M2E1 and TB31PCIEX16 are backed by a StarTech.com 2-year warranty.