Facebook used to use Dell C series servers and HP servers, tons of Dell Custom Solutions C1100/C2100/C6100 and DL160 G6 servers showed up off lease years ago (D

Facebook used to use Dell C series servers and HP servers, tons of Dell Custom Solutions C1100/C2100/C6100 and DL160 G6 servers showed up off lease years ago (DL160 racks were shown in a time magazine article of a FB datacenter). I'm fairly certain I've seen pictures of Dell C6220 servers at Facebook as well.