Advanced PCB Design for Enhanced Durability: The PCB board is meticulously crafted to shield your hard drive contact pins from potential damage caused by frequent insertions and removals. This thoughtful design ensures prolonged durability and reliability.Seamless Compatibility with PCIe 4.0 and 3.0: Experience uninterrupted high-speed data transfers! Our protectors support both PCIe 4.0 and 3.0, guaranteeing that your hard drive's performance remains consistently fast and efficient.Versatile Sizing Options: Our protectors support 2230/42/60/80/110 hard drives and can extend to 22110 Size. For those with unconventional drive sizes, simply use a pair of scissors to trim away any excess, providing flexibility for various storage configurations.for Your Unique Requirements:M key Protector: perfect for M.2 M-key NVMe hard drives, delivering maximum speeds of PCIe X4 4.0. Experience top-tier performance for your high-speed storage needs.The appearance styles and colors of screwdrivers/screws/nuts are randomly distributed, don't accept the specifiedColour:black+white/blue+whiteMaterial:PCBPackage Contents:1 x SSD Protection PCB Board1 x Screwdriver1 x Screw1 x Screw nutOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.