Although custom system capabilities are available, SAT systems are usually offered in a range of standard configurations with optional add-ons.

Both players offer optional add-ons, including advertising, which allows users to control ad selection and revenue share.

It had several optional add-ons available, including: a plug-in network card, buffer memory card, and motorized sheet feeder.

In others, the systems are available as optional add-ons, and they are usually showcased in model apartments to impress potential buyers.

FEMtools consists of many tools that are licensed as part of standard configurations or as optional add-ons.

Other optional add-ons include sour cream, yogurt and horseradish.

Generous chunks of blue cheese ($2.50) or goat cheese ($3) were optional add-ons.

Neon interior lighting, wake-the-dead stereo systems and stiffer shocks are among the dozens of optional add-ons.

This wasn't lost on Chevrolet's engineers, who managed to up the horsepower in 1956 from 170 hp to 225 hp with optional add-ons.

The system requirements are higher for running Mozilla Firefox and optional add-ons such as the OpenOffice.org office suite.