Amazon.com: Dell Precision T1650 Tower Workstation Business Desktop Computer, Intel Quad-Core i7-3770 up to 3.90 GHz, 8GB RAM, 1TB HDD, DVD, WiFi, USB 3.0, Windows 10 Professional (Renewed) : Electronics
Dell Precision T1650 Quad Core i5 CPU 3550, 3.30 GHz, 4 GB RAM, 750GB HD, NO OS | eBay
Amazon.com: Dell Precision T1650 Tower Workstation Business Desktop Computer, Intel Quad-Core i7-3770 up to 3.90 GHz, 8GB RAM, 1TB HDD, DVD, WiFi, USB 3.0, Windows 10 Professional (Renewed) : Electronics
2GB Memory Upgrade for Dell Precision Workstation T1650 DDR3 PC3-12800 1600 MHz Non-ECC DIMM RAM (PARTS-QUICK BRAND) at Amazon.com
32GB KIT (4 x 8GB) for Dell Precision Workstation Series T1650 (Non-ECC) T3600 (Non-ECC) T3610 (Non-ECC). DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand.