ROLINE ProSecure III BatteryPack 3000RM2U for 19": 2000RM2HE and 3000RM2HE External battery unit for ROLINE ProSecure Rackmount UPSs usable for the types: ROLINE ProSecure III 2000RM2HE and ROLINE ProSecure III 3000RM2HEWindows NT/ 2k / XP / 7 / 8 / 10 Server 2003 / 2008 / 2012 x86/x64, MAC OS X (Intel) 10. 6.x, 10.7.x, 10.8.x Mountain Lion, 10.9.x MavericksMAC OS,