If your trying to swap out a 360 HDD and put it in your ps3, then no it won' t work....
Just buy a regular 2.5inch Serial-ATA laptop harddrive (whatever size you want) and just swap it out, easy...
I recommend Western Digital HDDs, click the link below this is the one I recommend for you:
Newegg.com - Western Digital Scorpio Black WD2500BEKT 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Notebook Hard Drive - Laptop Hard Drives
$89.99 no taxes and free shipping