Nope, SSDs can't be upgraded either; both the drives and DIMMS are soldered to the motherboard. (I imagine that both actually can be upgraded if you can get hold of the components and are skillful with a soldering iron, but I"m not certain.)
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire