Add A 2.5 Inch U.3 Nvme Ssd Into A Pcie 4.0 X4/X8/X16 Slot In A Desktop Or Server Using The Included Screws - Supports Sff-Ta-1001 Drives Up To 15Mm In Height; Backwards Compatible With Pci Express 3.0 Motherboards; Not Compatible With U.2 Drives - Vented Full-Profile Bracket And Hollow Pcb Allow For Better Airflow And Heat Dissipation - Pre-Installed Full-Profile Bracket And Included Drive Mounting Screws - Os Independent; U.3 To Pcie Add-In Card Requires No Drivers Or Software.