HP ProBook 6550b 15.6" Widescreen Laptop - with Intel i5-520M 2.4GHz, 4GB RAM, 128GB SSD Hard Drive - Windows 7 Professional 64 - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
54x HP ProBook 6555b; AMD II N950; 4-8 GB RAM; 250 GB HDD; W7P - Germany, Used - The wholesale platform | Merkandi B2B
8GB (2X4GB) MEMORY FOR HP PROBOOK 5320M 6440B 6450B 6455B 6540B 6550B 6555B | eBay
Specs HP ProBook 6555b Laptop 39.6 cm (15.6") AMD Athlon II P340 4 GB DDR3-SDRAM 250 GB HDD Windows 7 Professional Black Laptops (VM614AV)
8GB KIT 2 x 4GB HP Compaq ProBook 6540b 6550b 6555b 6560b 6565b Ram Memory | eBay
HP ELITEBOOK 6555B AMD Turion II N530 2.5GHz 2GB RAM NO HDD 15.6" CNU106089Y | eBay
4GB DDR3-1333 RAM Memory Upgrade for The Compaq HP Probook 6555b (WZ243UA#ABA) (Genuine A-Tech Brand) at Amazon.com
2GB Black Diamond Memory Module for HP ProBook 6555b DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade - Walmart.com
HP ProBook 6555b Laptop- 250GB HDD, 2GB RAM, AMD Turion CPU, Windows 1 – Buffalo Computer Parts
How to Upgrade Memory on HP Probook 6455 Laptop - YouTube