SSD Upgrade for Late 2015 MacBook Pro Ret… - Apple Community
Refurbished Apple A Grade Macbook Pro 13.3-inch Laptop (Retina) 2.7Ghz Dual Core i5 (Early 2015) MF839LL/A 512 GB SSD 8 GB Memory 2560x1600 Display Mac OS X v10.12 Sierra Power Adapter - Walmart.com
How-To: Upgrade the SSD in your MacBook Air or Retina MacBook Pro, boosting size & speed - 9to5Mac