HP Probook 650 G1 I7 4710MQ AMD HD8750M 16GB RAM 2x 256GB SSD RS232 Serial Port | eBay
Refurbished HP 650 with serial port on sale | LaptopCloseout.com
HP ProBook 650 QuickSpecs HP ProBook 650 G4 Features c05935171 ¢â‚¬â€‌ DA 16165 ¢â‚¬â€‌ Worldwide ¢â‚¬â€‌ Version - [PDF Document]