[3] Removing older, usually bulkier ports and devices allows a legacy-free PC to be much more compact than earlier systems[4] and many fall into the nettop or all-in-one form factor.
Legacy-free PCs can be more difficult to upgrade than a traditional beige box PC, and are more typically expected to be replaced completely when they become obsolete.
As the first decade of the 21st century progressed, the legacy-free PC went mainstream, with legacy ports removed from commonly available computer systems in all form factors.
The Dell Studio Hybrid, Asus Eee Box and MSI Wind PC are examples of later, more-successful Intel-based legacy-free PCs.
The MacBook Air, introduced on January 29, 2008, also omits a built-in SuperDrive and wired Ethernet connectivity that was available on all other Mac computers sold at the time.
The relaunched MacBook in 2015 dropped features such as the MagSafe charging port and the Secure Digital (SD) memory card reader.
However, the 2021 MacBook Pro models once again include function keys, magsafe, an HDMI port, an SD card reader, and do not feature a Touch Bar, seemingly in response to the aforementioned poor reception.