40 Gig has a 40 gig hard drive
80 gig has and 80 gig hard drive
wot he said
yours cannot play ps1/ps2 games- its missing that chip to cut costs.
It is missing two usb ports and the flap which contains memory card slots for you phone/camera etc.
the 80gb is the same spec as the original 60gb one but with 20gb extra
