The SGI Origin 350 is a mid-range server

Server (computing)

In the context of client-server architecture, a server is a computer program running to serve the requests of other programs, the "clients". Thus, the "server" performs some computational task on behalf of "clients"...

 computer developed and manufactured by SGI

Silicon Graphics

Silicon Graphics, Inc. was a manufacturer of high-performance computing solutions, including computer hardware and software, founded in 1981 by Jim Clark...

 introduced in 2003. Their discontinuation in December 2006 brought to a close almost two decades of MIPS and IRIX

IRIX

IRIX is a computer operating system developed by Silicon Graphics, Inc. to run natively on their 32- and 64-bit MIPS architecture workstations and servers. It was based on UNIX System V with BSD extensions. IRIX was the first operating system to include the XFS file system.The last major version...

 computing.
The Origin 350 is based on the NUMAflex architecture, where a system is constructed from a varying number of modules connected together using the NUMAlink3

NUMAlink

NUMAlink is a system interconnect developed by SGI for use in its distributed shared memory ccNUMA computer systems. NUMAlink was originally developed by SGI for their Origin 2000 and Onyx2 systems...

 interconnect via cables.