16GB KIT (2 x 8GB) for HP-Compaq ProBook Series 4440s 4441s 4540s 4740s 6360b 6460b 6465b 6560b 6565b. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
HP ProBook 4740s - W7->SSD->W10 - Journal d'une évolution...
2GB Black Diamond Memory Module for Compaq HP Business Notebooks ProBook 4525s DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade System Specific Memory - Newegg.ca
4GB SODIMM Per HP C Pk 4440s 4441s 4445s 4510s 4520s 4525s M IT €6.00 ojas.jp