12v rails

i have an old hiper type-m 630w psu that has 4 x 12v rails that can do 18a each and i want to power an electrically adjustable car seat with it without the heating element, is it possible to join these rails together into 1 high amp 12v output, i wouldnt be putting a heavy load on them i just...

Hi geek kids, Can I take either of them to a GTX560 for example? I bring a GIGABYTE 720 with quad +12V rail with 18A each which outputs a total energy of over 500W on it https://www.gigabyte.com/Power-Supply/GE-P720A-C2#sp and a Cooler Master 600 with single rail +12V with over 500W on it too...

Hi guys. I am brand new to PC gaming and wanted to build my first computer. I intend on playing alot of games on high qualities, but don't want to spend a ridiculous amount for my first build. Is this a good first time build? CPU - AMD A8-5600K Quad Core @ 3.6 gHz Hard Drive - Seagate...