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
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
16GB kit (8GBx2) Upgrade for a Dell Precision M4500 System (DDR3 PC3-12800, Non-ECC, ) at Amazon.com
Memory RAM Upgrade for Dell Precision Mobile M4500 (Dual-Core) 4GB DDR3 SODIMM | eBay
8GB (2X4GB) MEMORY FOR DELL PRECISION M4500 M6500 | eBay
how to upgrade the ram in a Dell Precision m4500 - YouTube