OWC Announces First 1TB and 2TB SSD Upgrades for 2013 Mac Pro - MacRumors
Photo tutorial: Upgrading a MacBook Pro with an SSD
MacBook Pro Retina 15-inch Late 2013 A1398 16GB RAM 1TB SSD | eBay
Apple A1398 MacBook Pro 15.4" Late-2013 i7-4750HQ@2.0GHz, 8GB RAM, 250GB SSD | eBay
Amazon.com: FLEANE FM13A 1TB PCIE 3.0x4 NVME SSD with DIY Tools for MacBook Air A1465 A1466 (Mid2013-Mid2017), MacBook Pro Retina A1398 A1502 (Late 2013 -Mid 2015), iMac A1419 A1418 (Late 2013-Mid 2017) (1TB) :
Got myself an MacBook Pro Late 2013 Retina! i7 with 8GB Ram! 256GB SSD. Battery is new, and 2 brand new in box magsafe chargers 60W!! For just 80 bucks!! How about that steal! Will upgrade it to Monterey soon! Only thing is the anti-reflecting coating ...
Hard Lesson Learned With Late-2013 Apple Products Containing Lesser Performing 128GB SSDs | The SSD Review