Here we have Noctua's industrial PPC 2000 RPM PWM fans, They are NF-F12 Industrial PPC 2000 PWM by model, great condition! each item is 1 fan, front and back pictured for illustration purrposes. If Fan screws are wanted, please message me prior to purchase. Thank you. I respond as quick as i can and ship within 12-24 hrs from purchase in well protected packaging! Check my response and other items :)