Q: Does this array card support UEFI mode? A: It supports both UEFI and legacy modes.

Q: My host is running ESXi 6.7. Is it compatible? How many SATA ports are supported? A:  Yes, ESXi 6.7 recognizes it normally and supports pass-through without needing drivers. It supports 5 SATA ports.

Q: How large of a hard drive does this card support? I want to connect 8 hard drives of 18TB each. Is this supported?   A: It supports 18TB hard drives.