FOR Book 840 G4 / 850 G4 Laptop Motherboard — 917507-601 • 917507-001 • i7-7600U • 6050A2854301-MB-A01

Replacement motherboard compatible with FOR Book 840 G4 and 850 G4 laptops. Manufacturer part numbers: 917507-601 and 917507-001. Features an Intel Core i7-7600U processor on board. Mainboard PCB identifier: 6050A2854301-MB-A01. Designed as a direct swap for repairs or system rebuilds — confirm your laptop model matches before installation.