OWC Tear Down of New 12” MacBook Reveals SSD Not User Upgradeable
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
Best Buy: Apple MacBook 12-inch Retina Display Intel Core M 1.1 GHz 256GB (MJY32LL/A) Early 2015 (Certified Refurbished) Space Gray A1534
MacBook 12" (2015) - QWERTY - English Retina - Core M - 1.3 GHz - SSD 512 GB - RAM 8GB | Back Market
Amazon.com: Apple MacBook 12in Laptop w/ Retina Display 1.2GHz Core M, (MJY42LL/A), 8GB Memory, 512GB Solid State Drive, Space Gray (Space Gray)(Renewed) : Electronics
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
Apple MacBook 12'' A1534 Gold 2015 Core M 1.2GHz/8GB/512GB Good Battery, w/Box!! | eBay
Refurbished 2015 Apple MacBook Pro Quad Core i7 2.8 15" Dual Graphics 16GB RAM 2TB SSD MJLU2LL/A A1398