Dell Alienware X51 R2 (Early 2013) - Manual (Page 3)

Ports
Back Panel Ports
Network adapter One RJ45 connector
USB • Two USB 2.0 ports
• Four USB 3.0 ports
Audio • Five audio output/headphone ports
• One audio input/microphone ports
• One optical S/P DIF port
• One coaxial S/P DIF port
Video One HDMI port
Front Panel Connectors
USB Two USB 3.0 ports
Audio • One audio output/headphone port
• One audio input/microphone port
Communications
Network adapter 10/100/1000 Mbps integrated network adapter
Wireless 802.11 b/g/n integrated wireless local area
network
Video
Video controller:
Integrated Intel High Definition Multimedia Interface
(HDMI)
Discrete PCI Express x16, single-/dual-width video cards
Video memory:
Discrete 1-GB Graphics DDR5
NOTE: The video memory of your desktop will
vary depending on the configuration ordered.
Audio
Type Integrated 7.1 channel, Intel High Definition
Audio with S/PDIF support
Controller Realtek ALC3861 codec