PreLoved Tech - Ready now: HP Probook 455 G1 Laptop, AMD A6-4400M with Radeon HD Graphics, 4GB RAM, 500Gb HDD, 15.6in display, Windows 10, Wifi enabled, AC power supply, Good battery £149.95
4GB Memory for HP ProBook 455 G1, 455 G2, 455 G3 DDR3 PC3L-12800 SODIMM RAM | eBay
HP ProBook 455 G10 15.6" Notebook, Full HD, Ryzen 5, 8GB RAM, 256GB SS – Network Hardwares
8GB Memory for HP ProBook 455 G1, 455 G2, 455 G3 DDR3 PC3L-12800 SODIMM RAM | eBay