i found this dell optiplex 755 in a scrap yard perfectly functioning{came with side panel just have it off} its ungodly slow with only a single stick of ddr2 2gb ram and
Dell Optiplex 755 DT computer kopen? | That's IT!
Dell Optiplex 755 DT Intel Core 2 Duo E4400 2.0GHz 1GB RAM No HDD No O