Memory RAM Upgrade for HP ProBook 6450b 4GB DDR3 SODIMM | eBay
How to upgrade RAM memory in HP ProBook 6450b, 6455b laptop - YouTube
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProBook 6450b (DDR3-10600) Laptop Memory at Amazon.com
Memory RAM Upgrade for HP ProBook 6450b 4GB DDR3 SODIMM | eBay
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Probook 6460B, Probook 6465B, Probook 6470B - A13 at Amazon.com
HP ProBook 6475b 14.1" Laptop Computer AMD 2.3GHz 4GB 250GB Windows 10 Home WiFi
4GB (1X4GB) Memory Ram Compatible with Hp Probook 6450B (Ddr3) By CMS A34 - Computer Memory Solutions
HP ProBook 6450b 14.0" Silver Used Laptop - Intel Core i5 540M 1st Gen 2.53 GHz 6GB SODIMM DDR3 SATA 2.5" 120GB HDD DVD-RW Windows 10 Pro 64-Bit - Walmart.com