How to Modify a Dell Optiplex 330, so it will handle a socket 771 Intel Xeon E5440 2.83GHZ - YouTube
PCOM-B705GT, Intel® Xeon® D-1700 Series Processors (Ice Lake-D LCC) based Type 7 COM Express® Basic Module with 16x PCIe Gen 4 and 16x PCIe Gen 3 lanes, and 4x 10G Ethernet KR/KX4
Return of the Optiplex!! Dell's best kept secret! Xeon upgrade guide!! - YouTube
Dell Precision T3420 SFF Desktop Intel Xeon E3-1245 v5 Processor 8GB RAM 512GB SSD Keyboard and Mouse Wi-Fi 19" LCD Monitor Windows 10 Pro PC - Walmart.com
Dell Precision T3420 Small Form Factor (SFF) Intel Xeon 3.30 GHz 8GB RAM 500GB SSD Windows 10 Pro Wi-Fi AMD FirePro W2100