They look exactly the same as far as i can tell, but the 500GB is $50 less than the 400GB. I found similar results at macmall.
Is there some new tech or something in the 400GB???
http://www.amazon.com/s/ref=nb_ss_gw/105-3002387-6025256?url=search-alias%3Daps&field-keywords=ST3400601CB-RK&Go.x=0&Go.y=0&Go=Go
Is there some new tech or something in the 400GB???
http://www.amazon.com/s/ref=nb_ss_gw/105-3002387-6025256?url=search-alias%3Daps&field-keywords=ST3400601CB-RK&Go.x=0&Go.y=0&Go=Go
As an Amazon Associate, MacRumors earns a commission from qualifying purchases made through links in this post.