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
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How to upgrade DELL Precision M4500 up to 16GB RAM | cmexonat's blog
Dell Precision M4500 15.6" Standard Laptop - Intel Core i7 640M 1st Gen 2.8 GHz 8GB SODIMM DDR3 SATA 2.5" 128GB SSD DVD-RW Windows 10 Pro 64-Bit.Used with FREE 3 Year Warranty
How to upgrade DELL Precision M4500 up to 16GB RAM | cmexonat's blog