$250 · Dell Precision R5500, 1x Xeon X5650 6c/12t, 32GB RAM, Win 7 Pro

Very clean and working high-end workstation. Perfect powerhouse for 3D graphics work, gaming, bitcoin mining, or virtualization. Has room for 2x full-sized x16 PCIe graphics cards or GPUs like NVidia Tesla . Just add your drive(s), pick your GPU(s) and it's ready to go. I recommend SSDs to make it really fly. Specs: CPUs: 1x Intel Xeon X5650, 6core/12thread, 12MB cache, 2.66GHz with 3.06GHz Turbo (system supports up to 2x Intel Xeon 5600 series CPUs) RAM: 32GB DDR3 Registered ECC installed (expandable to 192GB) Chipset: Intel 5520 Network: 2x gigabit ethernet ports Audio: Integrated Analog Devices ADI1984A DVD: CD-DVD-RW drive Chassis: 2U rack-mount height, supports up to 6x 2.5in drives Tray: 2x 2.5in drive trays included PSU: 2x 1100W redundant power supplies included. Has Windows 7 Pro license sticker. Open to reasonable offers. Last picture is of the actual system with lid open. Complete system specifications are available here: https://i.dell.com/sites/csdocuments/Shared-Content_data-Sheets_Documents/en/us/Dell-Precision-R5500-Spec-Sheet.pdf Extra drive trays are available for $10ea.