problems

Which one should I buy they're about the same price Gigabyte GeForce GTX 970 WF 3X OC 4GB or EVGA GeForce GTX1060 SC 6GB

I've been having Hard Drive issues - the drive not showing up (in BIOS or Windows), the drive showing up but not being able to read/write, that sort of stuff. The drive is a WD Black. I chucked in a WD Blue, and although it worked fine for a while, it eventually started behaving the same. The...

I have a motherboard that has only one PCI E x16 slot. This slot has 8 lanes in. Will the max power draw for this slot still 75W or will it be the lower 25W that PCI E x8 slots are limited to. (Note that the slot uses PCI E x8 2.0 technology). I am asking because I am looking to buy a GTX 750ti...