HP ProBook 640 G4 Notebook PC Specifications | HP® Customer Support
HP ProBook 640 G8 Laptop Charger
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HP ProBook 640 G1 14" Laptop Dual Core i5 HP ProBook 640
HP ProBook 640 G2 14" Laptop i5-6300U - Windows 10 - Grade C
HP ProBook 640 G4 14" Laptop i7-8650U - Windows 10 - Grade A
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HP ProBook 640 G1 Notebook Laptop Computer 14" i5 8GB 250GB HDD Windows 10 PRO