Each Cox Internet plan includes a specified data usage amount per month – Starter: 1TB (1,024 GB); Essential: 1TB (1,024 GB); Preferred 100: 1TB (1,024 GB); Premier: 1TB (1,024 GB); Ultimate: 1TB (1,024 GB). Unlimited and 500 GB Additional Data Plans can be added for an additional monthly charge. Data usage in excess of plan may result in a $10 charge for up to 50 GB of additional data and for each additional 50 GB block, except for Unlimited Data Plan subscribers. Unused data does not roll over. See also Speeds and Data Plans Information for High Speed Internet Service in any Cox location for details. See cox.com/datausage for complete details. Prices, and/or when applicable contracts, may differ from those presented here as a result of existing customer pricing, customer's specific service address, and/or contract related updates. New seasonal pricing is effective beginning in 2015; customers currently on an active seasonal program will not be affected by the new pricing on their seasonally suspended services. Installation fees may apply. Other restrictions may apply.