UEFI and MBR

[Shernel]

Does a UEFI boot always require GPT partition or it works with UEFI boot and MBR too?

 

[Tanyac]

https://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface
Scroll down to "Disk Device Compatibility"

 

[Snipergod87]

No, we have hundreds of devices with UEFI BIOSes booting from MBR based drives