Solved Pre installed cables in NZXT Phantom 820 Tags: NZXT Systems Cable Last response: November 30, 2013 3:54 AM in Systems Share Cowboysjj July 12, 2013 4:07:54 PM What are all the 3 pin cables that come installed in the case that have stickers on them labelled: F, IS, R, and T. Do I need them? What are they for? What do they connect to? More about : pre installed cables nzxt phantom 820 Best solution Conor4011 July 12, 2013 5:50:21 PM Sounds like 3-pin fan cables to attach to optional case fans that you could buy. Front, ?, Rear, and Top. They connect to the fan controller on the outside of the case and to optional fans inside the case so they can be controlled. Share Jorge Rivera November 30, 2013 3:54:02 AM The second one, the IS is for the optional directional fan you can connect thats right behind the hard drive cages. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedTrying to connect my motherboard to my NZXT Phantom 820 Forum SolvedBuying a new case in a few hours. Corsair Graphite Series 760T or NZXT Phantom 820 Forum SolvedPhanteks Enthoo Primo v/s Cooler Master Cosmos II v/s Corsair 900D v/s NZXT Phantom 820 Forum SolvedNZXT Phantom 820 Forum SolvedNZXT Phantom 820 case is not working(fans not spinning/LEDs not lighting) Forum SolvedNZXT phantom 820 wire connection issue Forum SolvedWill a Asus Maximus VI Hero motherboard fit into my NZXT Phantom 820 Gunmetal Full Tower Case w/Side Panel Window Forum SolvedWill a Asus Maximus VI Hero motherboard fit into my NZXT Phantom 820 Gunmetal Full Tower Case w/Side Panel Window Forum SolvedHELP NZXT Phantom 820 Case Fans Not Working. Fan Controller Is Blinking and Has Clicking Sound Forum SolvedWill i be able to fit a 280mm closed loop water cooler into my NZXT Phantom 820 Enthusiast Ultra Tower Case? Forum NZXT phantom 820 black white or gunmetal gray?? Forum SolvedWhich CPU cooler to get for I5-4670k inside NZXT 820 Phantom? Forum SolvedNzxt Phantom 820 case build? Forum SolvedNzxt Phantom 820 help Forum SolvedSilverstone Ft02 or Nzxt Phantom 820 Forum NZXT Phantom 820 Case Fans Forum Watercooling HELP with NZXT Phantom 820. Forum Great 200mm fans for a NZXT Phantom 820? Forum Solvedunsure about cables with NZXT Phantom 410 / trouble with fans Forum Nzxt phantom 820 fan issues Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !