The Mac Pro security lock adapter allows you to use compatible Kensington or similar locks (sold separately) to keep your Mac Pro secure. The adapter connects without the aid of tools and does not modify or damage the Mac. With a compatible lock attached, the Mac Pro security lock adapter protects the frame, preventing access to internal components.
Apple quietly launched a security lock adapter for Macs Pro on its Online Store. It costs US $ 49.00 in the United States and R $ 206.10 in Brazil (or 12 times R $ 19.08). Of course, the accessory is only compatible with the current generation of Mac Pro. (Apple Online Store)