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SILICON GRAPHICS REVOLUTIONIZES SUPERCOMPUTING: DELIVERS INDUSTRY-LEADING DESKTOP-TO-SUPERCOMPUTING SOLUTIONS

 MOUNTAIN VIEW, Calif., Jan. 27 /PRNewswire/ -- Silicon Graphics Inc. (NYSE: SGI) today underscored its technical computing focus with the announcement of four new workstation and server lines. Ranging from the industry's most powerful desktop graphics workstations to the industry's first RISC supercomputing systems, Silicon Graphics' new product offerings redefine the computing resources available to technical users.
 "The RISC technology that transformed the workstation world is again revolutionizing technical computing by delivering supercomputing performance at workstation prices," said Edward R. McCracken, president and chief executive officer of Silicon Graphics. "Silicon Graphics' deployable supercomputing systems liberate technical users from expensive, esoteric approaches, enabling them to solve the challenges presented by a new information age."
 Silicon Graphics offers the only binary-compatible products ranging from desktop workstations starting at under $10,000 to RISC supercomputing systems. The products include the flagship Power Challenge(TM) symmetric multiprocessing supercomputing systems, which deliver up to 5.4 GFLOPS of peak performance with prices starting at under $120,000. The Power Challenge line incorporates up to 18 64-bit MIPS(R) TFP streaming superscalar RISC processors -- breakthrough RISC processor technology that provides Cray Y-MP(TM) class performance in a single-chip set. The systems are designed to deliver "deployable supercomputing" -- supercomputing that is affordable, and easy to program, install, use and manage.
 Silicon Graphics' new products include the following:
 -- The Power Challenge line of supercomputing servers. The Power Challenge L deskside system offers two to six TFP processor for up to 1.8 GFLOPS of peak performance, and the Power Challenge XL rack system incorporates two to 18 TFP
processors for up to 5.4 GFLOPS of peak performance. The systems achieve this performance level through the integration of 64-bit TFP streaming superscalar RISC processors, a flexible and fast memory subsystem and a high-bandwidth I/O subsystem.
 -- The Challenge(TM) line of symmetric multiprocessing servers. It is the only binary compatible network resource server line that spans from entry-level uniprocessor systems to enterprise-wide symmetric multiprocessing systems delivering more than 4,000 Dhrystone MIPS of performance. The highly scaleable Challenge line includes the Challenge XL enterprise system, with up to 36 R4400(TM) MIPS RISC processors for the highest levels of performance and expandability; the Challenge L departmental system with up to 12 R4400 processors, offering price/performance leadership; and the Challenge M single-processor workgroup server.
 -- The Onyx(TM) line of advanced graphics supercomputers. Onyx delivers combined compute graphics performance surpassing any other computer system. Onyx systems are 10 times more powerful than any previous Silicon Graphics workstation and are the first to incorporate multiple R4400 processors. The systems range from two-processor deskside workstations to 24-processor rack systems.
 -- The Indigo2(TM) Extreme workstation. Indigo2 Extreme offers the highest performance and most powerful graphics available on the desktop. Based on the company's successful IRIS Indigo(TM) family, Indigo2 is the first desktop workstation to incorporate the new Extreme graphics and the power of either a R4400 or R4000(TM) MIPS RISC processor. Bundled with Indigo2 is Indigo Magic(TM), a set of software tools that enable end users and developers to communicate and create applications with digital media technology.
 All of Silicon Graphics' products run IRIX(TM), Silicon Graphics' enhanced version of the UNIX(R) operating system. IRIX 5.0 is based on UNIX System V Release 4 and complies with POSIX, X/Open(TM) XPG3 and FIPS 151-1.
 -0- 1/27/93
 /CONTACT: Jill Grossman, 415-390-1516, or Rosanne Siino, 415-390- 1029, or Marilyn Lattin, 415-390-5070, all of Silicon Graphics/
 (SGI)


CO: Silicon Graphics Inc. ST: California IN: CPR SU: PDT

TM-GT -- SJ003 -- 9692 01/27/93 13:01 EST
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Date:Jan 27, 1993
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