Dell Precision M4500 Intel Core i5 M520 CPU @ 2.40GHz, 4GB RAM, 320GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
4GB Compatible Memory Upgrade for Dell Precision Mobile Workstation M4500, M6400, M6500 DDR3 PC3-10600 RAM (PARTS-QUICK BRAND) - Walmart.com
4Gb 1X4Gb Memory RAM Compatible with Dell Precision Mobile Workstation M4500 By CMS A30 - Computer Memory Solutions
Laptop Dell Precision M4500 1920x1080
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