Your speed test results can vary depending on your computer, router, cabling, firewall and so on. There is also inherent overhead in IP traffic that will result in taking up a small portion of your bandwidth. As long as your speed test results are within 75-80% of the speed you subscribe to, you are probably achieving the highest speeds you can because of all the equipment between your device and the Internet. If you are concerned, you are not achieving the speeds you think you should, you can follow the link below for some ideas on what you can do to improve it. You can also call tech support at (888) 638-4282 to troubleshoot.