Internal drive on MBP late 2012 easily replaceable. Uses Carbon Copy Cloner (Bombich) to create an external copy. Changed it and started. MBP is significantly faster and has been working ever since.
Crucial BX500 480GB SATA Internal SSD πΎ with 3D NAND Technology, Up to 540MB/s - CT480BX500SSD1Z
51 Review
SAMSUNG 860 EVO 1TB Internal SSD (MZ-76E1T0E), 2.5-Inch SATA III, 1 TB Capacity
29 Review
Adata XPG SX8200 Pro 1TB NVMe SSD with 3D NAND, Gen3x4 PCIe M.2 2280, R/W 3500/3000MB/s (ASX8200PNP-1TT-C)
31 Review
ADATA SU800 256GB SSD: High Speed Read & Write, 3D-NAND, SATA III, 560MB/s & 520MB/s
27 Review
2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
84 Review
18 TB External HDD Western Digital WD Elements Desktop, USB 3.0, black
95 Review
8TB Seagate Backup Plus Hub Desktop Hard Drive with Data Recovery Services
56 Review
Shock-Resistant Transcend StoreJet 25M3 USB 3.1 Slim Portable Hard Drive with 500GB Capacity
99 Review