Solved: Dimension e520 ATX Mobo Hack - Dell Community
Dell Dimension E520 gaming rig still lives with GTX 1070 - Dell Community
Dell Dimension E520 Motherboard WG864 + Core 2 Duo E6400 2.13GHz CPU + 1GB RAM - The620Guy.com
Dell Dimension E520 : r/computers
Dell Dimension E520 never cleaned since new in 2006. This computer has taken so much abuse from angry children and it just keeps running. Not perfectly cleaned but a big improvement. :
Dimension 5150, E520 motherboard, QX6700 CPU - Dell Community
My grandmothers old Dell E520, upgraded to the max by fyy - Intel Core 2 Quad Q6600, Radeon HD 4830 - PCPartPicker