Initialize GPT

I'm trying to add a 4TB HDD (Western Digital Red Pro 4TB, Model# WD40003FFBX) to my internal storage in Windows 10 Pro. It is detected by disk manager and my motherboard in BIOS but I can't get around a recurring "Request could not be performed because of an I/O device error" notice when I try...

I have an older system that has a Intel Pentium 4 521 in it. I want to upgrade it to a intel core 2 quad processor q9400. I know this cpu will work with this computer. but I also want to install this graphics card as well MSI ATI Radeon HD6450 10GB DDR3. But I am not sure they are compatible...