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HP ProBook 4540s - Intel Core i5 3210M / 2.5 GHz - Win 7 Pro 64-bit (includes Win 8 Pro License) - HD Graphics 4000 - 4 GB RAM - 500 GB
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HowTo ad extra memory to an HP ProBook 4540s Notebook PC - YouTube
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![HP ProBook 4540S 15.6" INTEL CORE i3-3110M, 4GB RAM 2.40GHZ NO HD | eBay](https://i.ebayimg.com/images/g/ZYgAAOSwT3ZiT1OP/s-l1600.jpg "HP ProBook 4540S 15.6" INTEL CORE i3-3110M, 4GB RAM 2.40GHZ NO HD | eBay")
HP ProBook 4540S 15.6" INTEL CORE i3-3110M, 4GB RAM 2.40GHZ NO HD | eBay
HP ProBook 4540S 15.6" Laptop Core i3 2.40GHz 8GB RAM WebCam Win10 Pro – Coretek Computers
Arch Memory 8GB 204-Pin DDR3 1600 MHz So-dimm RAM for HP ProBook 4540s at Amazon.com
