Where can i find how many gigabytes PS 3 has?

Answer 1

If the setting system information is looked at it tells the remaining harddrive space available and the original amount available which is less than the actual harddrive size and must be increased to the next closest number higher to learn if it is a 20, 40 60 80 120 160 or 320 GB harddrive. You can also convert the harddrive size from the model number on the back of the PS3 with information on the related link