Bestech TA770XE3 938 Pin AM3 Motherboard — 1PC 770 Main Board, Quad-core, Sec 870 Open Core Big Board

Replacement main board for 1PC 770 systems: Bestech model TA770XE3. This Big Board is a 770 Main Board with an AM3 interface and 938 Pin configuration, compatible with Quad-core processors. Marked Sec 870 and supporting Open Core functionality, it’s intended for desktop computer repair or upgrades requiring the TA770XE3 specification.