8GB (2 X 4GB) Memory Upgrade for Dell Optiplex 3010 DDR3 PC3-10600 1333MHz Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon.com
Dell Motherboard for OptiPlex 3010 MT | Laptech The IT Store.
Amazon.com: DELL Optiplex 3010 TW Tower High Performance Business Desktop Computer, Intel Quad Core i5-3470 up to 3.6GHz, 8GB RAM, 2TB HDD, DVD, USB 3.0, WiFi, Windows 10 Pro (Renewed)'] : Electronics