JN. According to the attached links, it is possible to connect to PS3 hard drive to PC. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button.
http://techin.oureverydaylife.com/access-ps3-hdd-pc-3890.html
http://www.gamespot.com/forums/playstation-nation-1000002/ps3-hard-drive-to-read-on-a-pc-26987609/