As they
say:
"Once completed, the Parallella computer should deliver up to 45 GHz of equivalent CPU performance on a board the size of a credit card while consuming only 5 Watts under typical work loads. Counting GHz, this is more horsepower than a high end server costing thousands of dollars and consuming 400W."
Compare to Intel i7
Extreme at 3.46 GHz and Intel
Xeon E7 at 2.66 GHz to foresee potential huge demand from businesses to run server and design (with good GPU) & process workstation tasks. In short, its similar blow to current computing in business world to Raspberry PI for education and media streaming & playback & home automation.
The trick for them seems to be getting startup capital for 64-bit proc, since VCs don't see enough markup in "chip only" making, and they don't offer profit sharing from the board sales, expecting similar to RP "catastrophic" demand. It might not be that fast though, since businesses use leased HW model and tied by supplier contracts. Given expected markup drop, the American dream might work like this: "want to sell it to enterprise - setup own distribution and service structure". Or, it might work over time...