Rest assured any 2400+ mobile will do 2200mhz (3200+ speeds) quite easily, using ~1.65V.
Mine tops out around 2550mhz, at 77$, I'm not complaining. On the other hand, several 2400+'s I've purchased since, have only gotten 2300-2400mhz stable, but did an easy 2200mhz at near stock voltages.