Lenovo ThinkStation S30 Tower Workstation 1 x Intel Xeon E5-1650 v2 3.50 GHz 8GB DDR3 Windows 7 Professional Upgradable to Windows 8 4352H1U - Newegg.com
Amazon.com: Lenovo Think Station S30 Gaming Tower Intel XEON E5-1620 up to 3.8GHz, 16G DDR3, 512G SSD+3T, DVD, DP Port, USB 3.0, Quadro K4000 Graphics, Windows 10 Professional 64 Bit (Renewed) : Electronics
Refurbished: Lenovo ThinkStation S30 Workstation Standard Server - Intel Xeon E5-1603 2.80GHz, 16GB RAM, SATA 2.5" 256GB SSD + SATA 3.5" 1TB HDD, DVD-ROM, Windows 10 Pro 64-Bit - Bluetooth - WiFi - Newegg.com