The Sony SVF line comes in 2 different types. One called the Sony Vaio Fit and one called the Sony Vaio Flip.
The Vaio Flip has a split back and can be rotated so the laptop can be used as a tablet. The Vaio Fit has a standard clamshell screen hinge.
Model numbers that start with SVF##N are Vaio Flip, such as the SVF13N13CXB.
Model numbers that start with SVF##A are Vaio Fit, such as the SVF14A15CXB.