So to gain the Chelsea boss Antonio Conte’s interest Inter decided to go for the 29-year-old Belgian.
Benega is an exchange option offered by Inter.
Gialorossi need to raise money this summer in order to meet Financial Fair Play obligations, and the sale of Radja could raise an important sum of €50 and €60m.
Suning are said to be working to do everything to convince Nainggolan to join the club, regardless of who the manager will be next season.
Nainggolan is a Roma player since 2014 when he joined the club on loan from Cagliari.