PS4 Controller Comparison: DualShock 4 vs DualShock 3 - YouTube
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Amazon.com: PlayStation 3 Dualshock 3 Wireless Controller (Black) : Video Games
The PS4 controller is now fully compatible with PS3 | KitGuru
How to Connect a PS3 Controller to a PS4
Amazon.com: PlayStation 3 DualShock 3 wireless controller - Metallic Gold : Video Games
PS3 Controller Charger Stand for Sony Playstation 3 Controller Wireless Dualshock 3 Charging, 2 Tier Docking Station Stand and 2 USB PS3 Cable Compatible ports with LED Indicators, Slim Black - Walmart.com
Pure Gold" Dualshock 3 Controller - PS3 and PS4 - Cheap Ass Gamer
With fake DualShock 3 controllers flooding marketplaces, genuine unused ones are getting expensive! I'm glad I have a few in my collection : r/PS3