69Y2905 - IBM Back Up Battery Module for DS3512 DS3524 DS3500 DS3700

Battery backup units are installed in bays located in the media tray when SAS RAID controller modules are installed. They provide backup support for SAS RAID modules in the I/O unit. The IBM backup module can provide enough power storage to back data in memory cache for up to 72 hours in sudden cases of power interruptions. Features: Redundant configuration to help support high availability Support for two Disk Storage Modules SAS boot and shared storage in IBM BladeCenter S Chassis Customer hot-swappable components