I'm apologize for my mistake (I will delete the previous reply to avoid confusion).
Therefore, the recommended operation conditions VCCIO3V:
- Minimum: 2.85 V
- Typical: 3.00 V
- Maximum: 3.15 V
In Intel Stratix 10 GX Dev kit, we are using step-down DC-DC switching converter (EN5319QI) in order to switch 3.3 to 3V.
You may refer to below schematic: