Amazon.com: Dell Precision T3500 Tower High Performance Business Desktop, Intel Core XEON-W3550 3.06GHz up to 3.33GHz, 12GB RAM, 500GB HDD, 256GB SSD (Boot), DVD, Windows 10 Professional (Renewed) : Electronics
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Amazon.com: Intel Xeon E5502 SLBEZ Dual-Core 1.87GHz 2nd CPU Kit for Dell Precision T5500 (Certified Refurbished) : Electronics
Amazon.com: Dell Precision T3500 Tower High Performance Business Desktop, Intel Core XEON-W3550 3.06GHz up to 3.33GHz, 12GB RAM, 500GB HDD, 256GB SSD (Boot), DVD, Windows 10 Professional (Renewed) : Electronics