I am currently paying for 1gbps internet. However, on my PC, I am only receiving 100mbps. I'm not sure what is the problem here. I also got a new router for the 1gbps connection. Any help is appreciated 
Here are my specs:
CPU: Intel core i5-3570k @ 4.2 Ghz
Mobo: ASUS P8Z77-V
GPU: MSI GTX 660 Ti 3GB
HDD: WD Caviar Black 1TB
SSD: Intel 520 series 120GB
Router: ASUS RT-N66U

Here are my specs:
CPU: Intel core i5-3570k @ 4.2 Ghz
Mobo: ASUS P8Z77-V
GPU: MSI GTX 660 Ti 3GB
HDD: WD Caviar Black 1TB
SSD: Intel 520 series 120GB
Router: ASUS RT-N66U