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
Aluminum Alloy SSD Case Computer USB 3.0 SSD Enclosure Home Office Supplies for Apple MacBook Air Pro Retina 2013/2014/2015/2016 - AliExpress
How to Upgrade the SSD on a MacBook Pro Retina Early/Mid/Late 2013/2014/2015 - Replacement Tutorial - YouTube
Samsung 512GB SSD Apple Macbook Pro Air 2013 2014 2015 A1502 A1398 A1466 A1465 | eBay
Restored Apple Macbook Pro 13.3-inch (Retina) 2.7Ghz Dual Core i5 (Early 2015) MF839LL/A 128GB SSD 8 GB Memory 2560x1600 Display Mac OS X v10.12 Sierra Power Adapter Included (Refurbished) - Walmart.com
Apple MacBook Pro Samsung SSD Review (March-2015) - StorageReview.com