We upgraded PS4 Pro with an 8TB SSD: can we make a better console? | Eurogamer.net
How to Upgrade Your PS4 Hard Drive | Digital Trends
4TB PS4 Pro (NO LONGER NEEDED - SEE DESCRIPTION) - YouTube
WD 4TB My Passport USB 3.0 External Hard Drive
4TB PS4 Harddrive Upgrade with NO Databank or external accessories - YouTube
Avolusion HDDGear 8TB USB 3.0 External Gaming Hard Drive (for PS4, PS4 Slim, PS4 Slim Pro) - 2 Year Warranty
Turns out all you need to upgrade a PS4 to 4TB internal Storage is a Dremel and a 3D Printer : r/PS4
Avolusion HDDGear Pro 4TB (4000GB) 7200RPM 64MB Cache USB 3.0 External Gaming Hard Drive (Designed for PS4 Pro, Slim, Original) - 2 Year Warranty: Internal Hard Drives: Amazon.com.au
Fantom Drives 2TB Hard Drive Upgrade Kit for Sony PlayStation 4, PS4 Slim, and PS4 Pro - Walmart.com