A-Tech 16GB Module for HP ProBook 640 G4 Laptop & Notebook Compatible DDR4 2400Mhz Memory Ram (ATMS322455A25831X1) at Amazon.com
Amazon.com: LiuShan 2 in 1 Protective Case +Portable Bag for 14" HP ProBook 640 G7 G5 G4/HP ProBook 440 G5/HP mt21/HP 240 G6/245 G6/HP Notebook 14 14-bpXXX 14-bsXXX 14-bwXXX Laptop[Not fit Notebook
Amazon.com: Colorful HP ProBook Keyboard Cover for 14 inch HP ProBook 440 G5 G6 G7, HP ProBook x360 440 G1 14", HP ProBook 430 G5 14", HP ProBook 640 G4 G5 14"