What's the Deal With That Security Slot on Your Laptop, Anyway?

Does the Surface Pro 3 Have A Kensington Lock Slot? what is a kensington lock slot Does anyone know if the standard T-slot Kensignton lock will work for my brand new Dell XPS 15 9510? I'm pretty sure it will but am not 100% what is slot machine If we choose to use mounting AP-220-MNT-W2 , will it block the kensington security slot at ap 215 ?

whats a pcie slot Security Lock Cables for Laptops with Kensington Lock Slots for Sale in South Africa Are you in the market for a security lock cable that is compatible with a