Manufacturer: Unisys Corporation

Date: Early-Mid 1990s

Category: Enterprise Workstation / Server

The Unisys SGS 3500 was part of the series 3000 family of workstation and server systems introduced by Unisys in the early 1990s. Designed for business and enterprise environments, it typically ran SCO UNIX, UnixWare, or Microsoft operation Systems and supported Intel processors of the era, making it compatible with both UNIX and PC-based software.

Aimed at organisations needing reliable multi-user performance, the SGS 3500 was used in offices, financial services, and government sectors for tasks such as data processing, terminal networking, and business application hosting. With its robust design, support for large disk capacities, and multi-terminal environments, the SGS 3500 reflected Unisys's reputation for bridging mainframe-class reliability with workstation affordability.

Today, systems like the SGS 3500 highlight the transitional period of the 1990s when business moved from properietary minicomputers to more open, Intel-based UNIX and PC networks. It represents an important step in enterprise computing history, where networking, multi-user systems, and graphical workstations began shaping the modern IT landscape.

Manufacturer: Unisys Corporation
Date: 1991

This exhibit has a reference ID of CH76305. Please quote this reference ID in any communication with the Centre for Computing History.

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