Dell Precision M4500 Intel Core i7 CPU M 640 @ 2.80GHz, 4 GB RAM, 250 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.
A-Tech 16GB KIT (2 x 8GB) For Dell Precision Notebook Series Mobile Workstation M4500 Mobile Workstation M4500 (Quad Core) Mobile Workstation M4600 M. SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory at Amazon.com
8GB (2X4GB) MEMORY FOR DELL PRECISION M4500 M6500 | eBay
16GB kit (8GBx2) Upgrade for a Dell Precision M4500 System (DDR3 PC3-12800, Non-ECC, ) at Amazon.com
Crucial Technology 8GB Upgrade for a Dell Precision M4500 System (DDR3 PC3-12800, Non-ECC,) at Amazon.com
Dell Precision M4500 mobile workstation delivers Core i5 CPU, Nvidia Quadro FX 880M graphics starting at $1,549 | ZDNET
4Gb 1X4Gb Memory RAM Compatible with Dell Precision Mobile Workstation M4500 By CMS A30 - Computer Memory Solutions
DELL M4500] Brought an old laptop back to life with Lubuntu and i3 : r/unixporn
How to upgrade DELL Precision M4500 up to 16GB RAM | cmexonat's blog