Macbook Pro SSD Drive Upgrade 128GB Sierra 10.12 2.5 2011 2012 A1278 solid state 619659084141 | eBay
Replace your 2009-2012 MacBook Pro HD with an SSD
Amazon.com: Padarsey 2nd HDD SSD Hard Drive Caddy Tray Replacement for MacBook Pro 13/15/17 inch A1278 A1286 A1297 2008 2009 2010 2011 2012 Internal Laptop CD/DVD-ROM Optical SuperDrive Adapter to 2.5 Inch 9.5MM : Electronics
Amazon.com: 2nd HDD SSD Hard Drive Caddy for Apple MacBook Pro Unibody Mid-2012 A1278 13-Inch Laptop MD101LL/A MD102LL/A MD101 MD102, SATA3 Second Solid State Drive Enclosure, CD DVD SuperDrive Optical Bay New :
Macbook Pro a1278 MD101LL/A SSD Upgrade 128GB solid state drive Catalina 10.15 619659084141 | eBay