S3 Graphics, Ltd is a Taiwanese-owned company specializing in graphics chipsets, operating in America. Although they do not have the large market share that they once had, they still produce graphics accelerators for home computers under the "S3 Chrome" brand name.

S3 was founded and incorporated in January 1989 by Dado Banatao and Ronald Yara. On March 5, 1993, S3 began an Initial Public Offering of 2,000,000 shares of common stock on Nasdaq. After several profitable years as an independent startup company, struggling with the transition to integrated 3D cards, S3 remodeled itself as a consumer electronics company and sold off its core graphics division to a joint venture with VIA Technologies for $323 million. The joint venture, S3 Graphics, continues to develop and market chipsets based on the S3 graphics technology.

The reformed company carried over a substantial cash pile from the profitable TRIO (?) days and a successful investment in UMC, a Taiwanese semiconductor foundry. On November 15, 2000, S3 changed its name to SONICBlue and its NASDAQ stock symbol to SBLU. The new business model focused on digital media and information appliance opportunities while the graphics division was sold to VIA Technologies as S3 Graphics. ReplayTV, Rio, and GoVideo were some of the brands developed by SONICBlue. On March 21, 2003 SONICBlue filed for Chapter 11 bankruptcy. S3 Graphics first only developed graphic cores for VIA IGP chipset while some years later they again began to produce graphics accelerators for home computers under the "Chrome" brand name. These include the Deltachrome, Gammachrome, Chrome S27 and Chrome 440GTX.