What is the world record for the mens 4x100 relay swimming?

The world record in the 4x100 meter relay was set by Jamaica (Usain Bolt, Michael Frater, Nesta Carter, Asafa Powell) at the 2008 Summer Olympics in Beijing in a time of 37.10 seconds. The women's world record is held by East Germany at a time of 41.37 seconds set in 1985.