Silent, boots up fast, sleek, worthless. I only wanted this machine to upgrade from a Macbook pro that can't be upgraded anymore (2 years old), and the audio software I'm used to - is only available on Mac unfortunately. Seriously why do people still use Mac/Apple? Just go to the app store and look up any common app and read the reviews.. Anyway - this new machine crashes and freezes constantly. Insert a USB drive, freeze / reboot. Connect a multitude of different types of USB peripherals and... freeze / stuck / force quit / reboot. Omg... I hate windows, but, this is worse. It takes a day of reboots to backup / use a flash drive (yes, I've tried formatting and using different brands/ones) just to backup my files on the Mac, to try to re-install the OS. i just haven't learned my lesson with Macs I suppose. UGH... Glad my 7 year old Android phone is capable of reading flash drives and... actually working. What a disappointment.