Teardown Reveals New 13-Inch MacBook Air SSD is Nearly Twice as Fast as SSD in New 11-Inch MacBook Air - MacRumors
Amazon.com: 256GB SSD Hard Drive for Apple MacBook Pro Air 11" 13" 15" A1502 A1398 A1465 A1466 (Late 2013-2015) / OSX Sierra/Mac Pro A1481 : Electronics
Apple MacBook Air 13-inch (i7 2.2GHz, 512GB SSD) (Early 2015, MMGF2LL/A) - Silver Bundle with Black Zipper Sleeve + Laptop Starter Kit + Cleaning Kit (Refurbished) - Walmart.com