Ese procesador si es soporta por la placa:
Pego la informacion de la pagina web, es compatible tanto para la Rev 1.0 como para la Rev 2.0:
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Motherboard Model GA-MA770-UD3(rev. 1.0)
PCB 1.0
Vender Model Frequency L2 Cache L3 Cache Core Name Process Stepping Wattage System
Bus(MT/s) 5200
AMD Phenom II X4 965 3400MHz 512KBx4 6MB Deneb 45nm C3 125W 4000 F9D
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Motherboard Model GA-MA770-UD3(rev. 2.0)
PCB 2.0
Vender Model Frequency L2 Cache L3 Cache Core Name Process Stepping Wattage System
Bus(MT/s) 5200
AMD Phenom II X4 965 3400MHz 512KBx4 6MB Deneb 45nm C3 125W 4000 FF