HP EliteBook 840 G1 802518-601 Intel 2.1 GHz Core i7-4600U DDR3L Motherboard at TR Reuse Group
Stonetaskin 802523-601 802523-001 For Hp Elitebook 840 G1 Motherboard Upgrade I3 I5 6050a2560201-mb-a03 Uma W I7-4500u Cpu Mb - Laptop Motherboard - AliExpress