1. Installing Internal Optional DevicesExpress5800/T110g-S User’s Guide88Chapter 2 Preparations1.14 Backup DevicesThe 3.5-inch expansion bay of the server can contain a backup device such as a magnetic tape drive. In an aircooled server, install the backup device in 3.5-inch expansion bay 2. In a liquid-cooled server, install the backupdevice in 3.5-inch expansion bay 1.Tips An optional internal USB cable is required to install a backup device. K410-276(00) internal USB cable (USB 3.0) K410-286(00) internal USB cable (USB 2.0)Prepare whichever cable is appropriate for your configuration.In a liquid-cooled server, the backup device cannot be used at the same time as anextra 2.5-inch HDD cage.3.5-inchexpansion bay 13.5-inchexpansion bay 2