The External SATA JBOD 220 Storage Controller (EJ200) is a SATA-JBOD expansion and system management targer-storage controller, designed for use with RocketRAID 2700 SAS/SATA 6Gb/s HBA's. Each EJ220 supports up to 8 SATA HDD, effectively doubleing the number of devices each SFF-8088 port can support. Double device support per external Mini-SAS port (SFF-8088). Works in conjunction with RocketRAID 2700 HBA's. 2 x SFF-8087 connectors support up to 8 SATA. 3.0Gb/s HDD/SSD devices. 1 x SFF-8088 connector support 3.0Gb/s host side connection. Max Performance up to 2GB/s. Includes Centronics Compliant mounting bracket (82.5mm X 88mm). Temperature sensor for environmental condition. Multiple fan ports with status monitoring and administrator control. Voltage monitoring with condition status. Power Supply Unit (PSU) status monitoring. Device Port Fail LED. Option for LCD connection. Web GUI w/ Environmental Monitoring and Alert. System with (SMTP, Buzzer, Temperature thresholds) ? Supports Windows, Linux, Mac OS X