A Mac is complicated device, and sometimes you want or even need to find out a bit more about its internals. You may want to check if all your hardware is working correctly, or you may want to verify that your Mac’s hardware – or certain software protocols – are compatible with a device you want to use.
The System Information app contains a full gamut of resources about your Mac. It lists all the hardware specifications: not just the processor and RAM, but also which Bluetooth module the device contains, its graphics card, its input/output ports, and even shows all the USB devices connected. This app also tells you about your Mac’s networking interfaces, and lists software installed on your Mac.
Here’s how you can use the System Information app to get useful info about your Mac.
Read the rest of the article on The Mac Security Blog.