From Dell.com
It's made to compete with the entry MBP, not the Air.
Chipset
Intel® HM67
Audio and Speakers
High Definition Audio +Waves MaxxAudio® 3
5.1 Surround sound can be supported via HDMI
Optical Drive
Slot load 8x DVD+/-RW (reads & writes to CD/DVD) (9.5mm)
Power
AC Adapter
90 Watt
Battery
8-Cell Lithium Polymer (64WHr, 2.2AHr)
Up to 8 hours, 22 minutes1 of battery life
Camera
Webcam
1.3MP HD with dual array digital microphones
Wireless
Connectivity Options2
10/100/1000 Ethernet network standard, opt external USB Modem
Intel® Centrino® Advanced-N 6230 802.11 agn (2x2)
Bluetooth 3.0
Intel® Wireless Display ready2
Ports, Slots & Chassis
Ports and Connectors
HDMI 1.4 (1), Mini DisplayPort (1), RJ-45 (1), headphone (1), microphone (1)
3 total USB ports; USB 3.0 (2); USB 2.0/eSATA combo with PowerShare (1)
9-in-1 media card reader supporting SD, SDIO, SDXC, SDHC, MS, MS Pro, MMC, MSXC, xD
Dimensions
Height: 0.97" (24.68mm)
Width: 15.15" (384.85mm)
Depth 10.25" (260.37mm)
Starting at Weights
Starting at 5.54lbs (2.51 kg)3
Keyboard / Touchpad
Standard full size, backlit chiclet keyboard; spill-resistant
Multi-Touchpad with Integrated Scrolling & Gestures and two mechanical buttons; 100 x 56 mm - centered on system