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The left side of the notebook holds VGA and HDMI video inputs, two USB 3.0 ports, two audio jacks (headphone and microphone), and the power jack. On the right is a tray loading DVD multi-drive, two more USB 3.0 ports, and a LAN port. A 7-in-1 card reader slot is mounted along the front edge of the chassis. Like the 15R, the 17R comes with Wi-Fi N and Bluetooth wireless capabilities, but it has a bigger (750 GB) hard drive than the smaller Inspiron (500 GB). It also has a small subwoofer built in to the base that provides a much needed shot of bass to the WavesMaxx Audio3 with battery such as dell Latitude D830 battery , dell MM165 battery , dell YD626 battery , dell 312-0393 battery , dell Latitude D800 battery , dell Inspiron 8500 battery , dell 8N544 battery , dell Inspiron 8600 battery , Dell Precision M60 battery , dell Inspiron 6400 battery , Dell 312-1015 battery , dell 6DN3N battery powered audio system, which puts out better than average sound for a budget laptop.