OWC sells 480GB replacement SSDs. [1] The SSDs in a MacBook Air are user-replaceable [2]; it's the RAM that isn't. [1] http://eshop.macsales.com/shop/SSD/OWC/A

OWC sells 480GB replacement SSDs. [1] The SSDs in a MacBook Air are user-replaceable [2]; it's the RAM that isn't. [1] http://eshop.macsales.com/shop/SSD/OWC/Aura_Pro_Air_2012 http://eshop.macsales.com/shop/SSD/OWC/Aura_Pro_Air_2012 (I'm using MacBook Air 2012 as a reference point, but there are SSDs for the other versions too.) [2] http://www.ifixit.com/Guide/Installing+MacBook+Air+13-Inch+Mid+2012+Solid-State+Drive/10961/1 http://www.ifixit.com/Guide/Installing+MacBook+Air+13-Inch+M...