The minimum system requirements for Gig Internet gigabit internet service are.

PC:
Windows 7 SP1 or better
4GB of RAM
Gigabit Ethernet Card
Cat 5e or 6 Ethernet Cable
Gigabit Ethernet Router if you are using your own router.

Macintosh:
OSX or better
4GB of RAM
Gigabit Ethernet Card
Cat 5e or 6 Ethernet Cable
Gigabit Ethernet Router if you are using your own router.