Dell XPS 13 (9333, Late 2013) - Manual (Page 13)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touchpad Power Adapter Camera
Communications
Battery
Video Audio
Display Keyboard
Storage
Interface mSATA
Solid‑state drive (SSD) One mSATA for primary storage
(supports Intel Rapid Start Technology)
Capacity 128 GB, 256 GB, and 512 GB