The robust B520 delivers an immersive entertainment experience for gamers and fun-lovers alike. Watch movies, games and online streams fly out of your all-in-one with optional NVIDIA® 3D Vision™,which delivers a full-resolution 3D experience with active shutter glasses technology. Feast your eyes on enthusiast–level discrete graphics (up to NVIDIA GT 555M),Heighten your multimedia even more with 5.0 speakers supporting  SRS® Premium Sound™.