ps3 HDD help!!

im new to this gamespot thing so hopefully im doing this right...well my problem is that i have the 80GB ps3 (backwards compatible) but i want to upgrade my HDD, thing is that i dont know exactly what types of hard drives are compatible, can anyone help me out and let me know EXACTLY what type of hard drive im supposed to buy and which ones are compatible? please be specific so i dont have to go to best buy for a 3rd time.

Thanks

its not the first time this sort of question is being posed. anyways, most of our forumers suggests a 320gb HD rpm5400 SATA HD. im using a seagate one with that specification. use the search topic function, its rather helpful.shinkyo-

2.5" laptop drive, any good brand name will dojoshim982003

whats the difference between a HDD with 5400 and one with 7200 rpm?zohta

the one with 5400 rpm is slower then the 7200 rpm, but the 7200 does get hoter faster

I got a:

320 GB 2.5" SATA 5400 RPM Western Digital Scorpio~