The iFixit picture actually doesn't show it. It's actually under the left most small battery. It's just a silver empty area in the pic, but otherwise there's a black thing (speaker maybe).
Ok then I'll avoid dell. I've owned Compaq and HP both I got dirt cheap. Ran them to the ground. Squeezed every penny out of it. Great value.
The Compaq was like 200 and the HP was 550.
EDIT: Which makes me realize, I could have bought 8 Compaqs for the price of ONE (1) MBPr and been set for about 40 years, assuming they last 5 years average.
FML
FML, not...
The problem with buying 8 Compaqs is that you'd get one, maybe two of them used during their useful technological life and the rest would be paperweights or eBay nostalgia going for pennies on the dollar or less.
I wouldn't say don't buy Dell, just don't have unrealistic expectations.