Well, now let us go for Driver verifier. Driver Verifier - Enable and Disable
Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.
Let us know the results, with the subsequent crash dumps, if any.
Anyway, your BIOS is not any old at all, so it should not be a problem.
Machine ID Information [From Smbios 2.7, DMIVersion 39, Size=3068]
BiosMajorRelease = 4
BiosMinorRelease = 6
BiosVendor = American Megatrends Inc.
BiosVersion = F5
BiosReleaseDate = 03/29/2012
SystemManufacturer = Gigabyte Technology Co., Ltd.