Raptor Engineering, is gauging public interest in a new high-end workstation designed to run only free software. The Talos™ Secure Workstation uses the IBM POWER 8 processor and architecture, which is comparable in terms of overall power and performance to that of modern Intel/AMD x86 based systems.
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Raptor Engineering is a significant contributor to Libreboot projects and they wish to make and sell Libreboot and GNU/Linux-based workstation that are "designed for security-conscious, high performance users."
There have been several [minifree.org] attempts [puri.sm] at 4-Freedom [gnu.org] respecting hardware, there is a notable lack [wikipedia.org] of modern, high-end and even desktop-class options.
See also: