RAIDON SR2611-2S-S2R HDD RAID Storage Hot-swappable Tray Module/LCD system status display & LED Indicators/Effectively Heat Dissipation Microprocessor: RAIDON 2045 RAID ASIC/Host Interface: SATA II (3G)/Transfer Rate: 300MB/Sec Support Hard Drive: 2 x 3.5-Inch SATAII (3G) HDD/Support Single HDD Capacity: 3TB/RAID Level: 0,1 Support Auto Rebuilding: Yes/RS232 Port: Yes/Form Factor: 25.25" CD-ROM/Status Display: LCD Display & Buzzer RADIDGuide Platform: Windows Only/Cooling Fan: 6cm Fan/Environment Temperature: 0~55 System Requirement: Windows/Linux/Certifications: CE & FCC Dimensions (mm): 146W x 202L x 85H / Weight (kg): 1.3