HighPoint Rocket EJ240 4 SFF-8087 and 1 SFF-8088 External SATA JBOD Device Board Quadruple device support per external Mini-SAS port (SFF-8088) Works in conjunction with Rocket RAID 2700 HBA's 4 x SFF-8087 connectors support up to 16 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) Web GUI w/ Environmental Monitoring and Alert System with (SMTP, Buzzer, Temperature thresholds) Supports Windows, Linux, Mac OS X