The process of downloading the Buffalo LinkStation 421 NAS Firmware 1.11 for MAC driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Buffalo LinkStation 421 NAS Firmware 1.11 for MAC driver from the primary server - this is the manufacturer’s Buffalo official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Buffalo LinkStation 421 NAS Firmware 1.11 for MAC diver.