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http://themunsessiongt.com/dell-optiplex-990-sff-flagship-premium-business-desktop-computer-intel-quad-core-i5-2400-up-to-3-4ghz-16gb-ram-2tb-hdd-dvd-wifi-vga-displayport-windows-10-professional-certified-refurbished/
Dell Optiplex 990 SFF Flagship Premium Business Desktop Computer (Intel Quad-Core i5-2400 up to 3.4GHz, 16GB RAM, 2TB HDD, DVD, WiFi, VGA, DisplayPort, Windows 10 Professional) (Certified Refurbished)