Amazon.com: DY-tech 2nd HDD SSD Hard Drive Caddy for HP ProBook 6440b 6445b 6450b 6455b 6550b 6555b with Faceplate Bezel + Mounting Bracket : Electronics
8GB [2x4GB] DDR3-1333 RAM Memory Upgrade Kit for The Compaq HP Probook 6555b (WZ243UA#ABA) (Genuine A-Tech Brand) at Amazon.com
Amazon.com: DBTLAP Laptop CPU Fan Compatible for HP Probook 6550b 6450b 6555b 613349-001 SUNON GB0506PGV1-A CPU Cooling Fan : Electronics
Amazon.com: New Laptop Keyboard Replacement for HP Probook 6550B 6555B 6545B 6540B P/N:574746-001 584234-071 583293-001 PK1307E1C00 V103202BS1 V103226BS1 MP-09A83US-698 US Layout Black Color : Electronics
Amazon.com: 90W AC Adapter Charger Replacement for HP Probook 4530S 4540S 4520S 4535S 4525S 4545S 6450B 6460B 6465B 6470B 6540B 6545B 6550B 6555B 6560B 6565B 6475B 6570B Elitebook 8470P 8460P 8440P Power
Amazon.com: New Internal 6X 3D Blu-ray DVD Movies Disc Player Optical Drive for HP ProBook 6550b 6455b 6445b 6440b 6465b 6460b 6450b 6470b 6550b 6565b 6555b Laptop PC, Dual Layer 8X DVD+-R
Amazon.com: New Laptop Keyboard Replacement for HP Probook 6550B 6555B 6545B 6540B P/N:574746-001 584234-071 583293-001 PK1307E1C00 V103202BS1 V103226BS1 MP-09A83US-698 US Layout Black Color : Electronics
Amazon.com: AC Adapter Charger Power Supply for HP Probook 4430s 4440s 4510s 4520s 4530s 4535s 4540s 4545s 4730s 6560b 6570b 6555b 6475b 6470b 6460b, for Compaq CQ40 CQ50 CQ56 CQ57 CQ60 CQ61