Home Slickdeals Cooler Master MasterBox MB511 ATX Mid-Tower w/ Front Mesh Ventilation, $34.99 AR... Slickdeals Cooler Master MasterBox MB511 ATX Mid-Tower w/ Front Mesh Ventilation, $34.99 AR from Newegg (+$5.99 s/h) By ARCOM - 26 May 2019 140 0 SHARE Facebook Twitter Go to the deal page: Cooler Master MasterBox MB511 ATX Mid-Tower w/ Front Mesh Ventilation, $34.99 AR from Newegg (+$5.99 s/h)