Magstim FAQ 13
13. Can I upgrade a Standard Rapid system to a Super Rapid system?
To upgrade a Standard Rapid (two Booster modules) to a Super Rapid system(four Booster modules) system, you require two extra Booster modules, a 4 way interconnecting box and a single cable along with a copy of the session software if required. Please contact the Service Department on service@magstim.com for further details.