850v2

I'm moving to another state for college purpose. So my question, will my components would be in a working condition after 3 years of inactivity? My Components are Corsair TX 850V2 Zotac GTX 560Ti Sparkle GTX 550Ti 3 x WD Blue 320gb 1 tb WD Passport (External) 2 x 4gb GSkill Ram etc...