No, H77 (Ivy Bridge) does not support a 4TB HDD.
No, H77 (Ivy Bridge) does not support a 4TB HDD.
It's okay. Unless you wish to start an operating system from that storage and utilize its entire space. In that scenario you might need to adjust your BIOS settings to turn off csm. I assume you're referring to a built-in drive, since with an external one the process is minimal.