Dell Alienware X51 R3 Alienware-x51-r3 Specifications - Page 2

Specifications Front Front Back Views 1 2 6 5 4 3 Back panel 1 Power button Press to turn on the computer if it is turned off or in sleep state. Press to put the computer in sleep state if it is turned on. Press and hold for 6 seconds to force shut‑down the computer. NOTE: You can customize the power‑button behaviour in Power Options. For more information, see Me and My Dell at www.dell.com/support/ manuals. 2 Optical-drive eject button Press to open or close the optical‑drive tray. 3 Optical drive (optional) Reads from and writes to CDs and DVDs. 4 Microphone port Connect an external microphone to provide sound input. 5 Headphone port Connect a headphone or speakers. 6 USB 3.0 ports (2) Connect peripherals such as storage devices, printers, and so on. Provides data transfer speeds up to 5 Gbps.