HP Refurbished Probook 640 G1 16480 14-inch Ultrabook, Intel Core i5-6300U, 480 GB SSD, 16 GB DDR4, Windows 10 Pro | staples.ca
Restored HP ProBook 640 G1, 14.0" Laptop, Intel Core I5-4300M up to 3.3G, 16G DDR3, 512G SSD, USB 3.0, VGA, DP, W10P64-Multi Languages Support (EN/ES/FR) (Refurbished) - Walmart.com
How to Upgrade SSD Drive in HP Probook 640 G1 Caddy Case Sata Hard Disk 500GB installation in Urdu - YouTube
Solved: SSD M.2 for the HP Probook 650 G1 - HP Support Community - 6656190
HP Probook 640 650 G1 803391-001 32GB M.2 SATA SSD Solid State Drive Z400S 2242 | eBay
Replacing the Hard Disk Drive Assembly | HP Probook 640 and 645 G2 Notebooks | HP Support - YouTube
HP ProBook 640 G1 How to disassembly and Clean + RAM upgrade - YouTube
HP Probook 640 g1 motherboard replacement and repair in Nairobi – Deprime Solutions ltd