PlayStation - The Astro C40 TR PS4 controller is available now, featuring swappable sticks and D-pad, plus back-of-controller buttons you can re-map on the fly: https://play.st/AstroC40TR | Facebook
Astro C40 TR Controller for PlayStation 4 review | Best Buy Blog
Astro Gaming C40 TR Wireless Controller for PlayStation 4 w/ Accessory 97855146656 | eBay
Amazon.com: Astro C40 TR D-PAD Module Directionnel : Video Games
Disassembling Astro C40 TR Controller's Joystick for Replacing or Cleaning Purposes : 7 Steps - Instructables
Astro C40 review: For those who think the Xbox Elite Controller just isn't premium enough | PCWorld
Best Buy: Astro Gaming C40 TR Wireless Controller for PlayStation 4 and Windows PC 940-000184
ASTRO C40 TR Controller | Unboxing + Setup for PS4 and PC - YouTube
Astro C40 Controller Review – An Expensive Upgrade - Game Informer