Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Enuff (CD, Single, Enh) | Island Records | 1705020 | Europe | 2006 | |
| Enuff (12") | Island Records | 1705019 | UK | 2006 | |
| Enuff (12", Promo) | Island Records | ENUFF 12 | UK | 2006 | |
| Enuff (12", W/Lbl, Promo) | Universal Motown | UNIR 7012 | US | 2006 | |
| Enuff (CD, Single, Promo) | Island Records | ENUFFCD | UK | 2006 | |
| Enuff (CD, Single, Promo) | Universal Motown | UNIR 21695-2 | US | 2006 | |
| Enuff (CDr, Single, Promo) | Universal Music (Australia), Island Records | none | Australia | 2006 |