Razer DeathAdder 2013 (4G) Gaming Mouse Review @ Custom PC Review
 

Fast forward to today and we now get the Razer DeathAdder 2013 aka Razer DeathAdder 4G, whichever you prefer. The DeathAdder 2013 is now the 3rd generation of the Razer DeathAdder succeeding the Razer DeathAdder 3.5G with a number of small improvements, but still keeping the same design that has made the original DeathAdder the iconic mouse that it is today...

http://www.custompcreview.com/review...-review/17637/