How to Upgrade the SSD in a 2015 MacBook Pro 15" - Bigger! Better! - YouTube
2015 Apple MacBook Pro Core i7 2.2 15" - MJLQ2LL/A - MacBookPro11,4 - A1398
How to Upgrade the PCIe SSD in a 15-inch MacBook Pro w/ Retina display (Late 2013 - Mid 2015) on Vimeo
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Amazon.com: OWC 1.0TB Aura Pro X2 Complete SSD Upgrade Solution with Tools & OWC Envoy Pro Enclosure Compatible with MacBook Air (Mid 2013-2017) and MacBook Pro (Retina, Late 2013 - Mid 2015) : Electronics