fan bracket cpu retention mounting Black Plastic AMD Stand Base for Socket : AM2 AM2+ AM3 AM3+ FM1 FM2 chipset: C51 N61 N78 A760 A770 A780 A785 A880 A960 A970 A990 A55 A75 A85 Retention Bracket & Base for AMD Socket : AM2 AM2+ AM3 AM3+ FM1 FM2 for chipset: C51 N61 N78 A760 A770 A780 A785 A880 A960 A970 A990 A55 A75 A85 AMD CPU Fan Bracket Base for AM2 AM2+ AM3 AM3+ FM1 socket with Back Plate and Four Screws. **Color May Vary: Black or Blue**