ACT-ARS8268SH series is specifically for personal video/audio, editing storage and DVR Raid storage applications. The RAID subsystem controller is designed to use two 2.5 inch SATA II / III disk drives to fit in a one 5.25〞halfheight drive bay for easy built-in the pc server, It allows easy scalability from JBOD to RAID, It can be configured to RAID levels 0, 1, Large (big), PM, Upgrade RAID1 and Scheduled Backup .The RAID function allows one HDD failure without impact on the existing data and failed drive Data can be reconstructed from the remaining data and parity drives. RAID configuration and monitoring can be done through the LCM front control panel or ACT RAID manager utility. 
In the ACT-ARS8268SH series, We add a Scheduled Backup function to support the user to do automatic backup when he needs. The purpose of this design is to prevent the two hard disk drives damage at the same time in RAID 1 mode. That is specifically for vibration environment. They have two host interface will be support in the ACT-ARS8268SH series products, That is SATA ARS8268SH series RAID subsystem, that is also a standard part of all major operating systems such as xp/2003/2008 server, Mac, Linux, etc, the host system does not require additional or proprietary software to work with the controller.