Dell Precision M4500 Intel Core i5-560M 4GB 160GB HDD Windows XP NVidia 1080p | eBay
2GB Team High Performance Memory RAM Upgrade Single Stick For Dell Precision M4500 M6400 M6500. The Memory Kit comes with Life Time Warranty. at Amazon.com
How to upgrade DELL Precision M4500 up to 16GB RAM | cmexonat's blog