The Inspiron 9100 uses Windows XP Professional and consists of 80 GB hard drive with 5400 rpm. The Inspiron 9100 has 15.4in LG Phillips LCD display which gives bright display. The Inspiron 9100 is bigger when compared to other Dell Laptops and it weighs about 4.1kgs. The audio system in Inspiron 9100 has speakers below the and also additional sub-woofer is fixed under the battery case to give high quality sound output.

This Dell laptop uses the 3.2GHz Prescott Pentium 4 processor and SigmaTel chipset. It supports gaming excellently and the 88-key keyboard is very comfortable. The touchpad and pointing sticks are also durable in Dell Inspiron 9100. There are some navigational keys on the key board from where the optical drive can be accessed directly and the hot keys are given above the keyboard for adjusting the volume. The maximum battery life of Dell Inspiron 9100 is 2.9 hours.