問題
Q1
Will TZ77XE4 motherboard be able to use 3TB hard drive for use of Windows 7 64 bit system disk and support GPT?

Yes, TZ77XE4 will be able to support 3TB hard drive to use for Windows 7 64 bit system disk and support GPT function. It need to use UEFI DVD ROM for OS installation and set full disk space in one partition.