Booted using clover on the USB and selected Sierra on the SSD. Now after installing, had some trouble on the first boot. After that, finished prepping the thumb drive, rebooted, loaded from USB, erased SSD through disk utility then installed Sierra on the SSD.
It went with no trouble, the configuration for unibeast was UEFI Boot mode for the boot loader and skipped the graphics configuration. For both attempts went clean installed Sierra following the guided steps using Unibeast. Hi, just finished attempting to install Sierra twice (same system). Building a CustoMac Hackintosh: Buyer's Guide