Raidon HDD RAID Storage (GR5630-SB3) Embedded USB3.0 + eSATA Host Interface/Support RAID 0, 1, 5 &amp; amp; JBOD Chip Set: JM539 + JMB393/Host Interface: USB 3.0 + eSATA/RAID Level: RAID 0/1/5/JBOD Support Hard Drive: 4  3.5-Inch SATA 3.0Gb/s HDD/Auto Rebuilding: Yes (RAID 1/RAID 5) Power Supply: AC Input 100V-240V~4A 50/60Hz/200W/Buzzer: Yes LED Indicators: Data Access; Alarm; Power/Environment Detector: Temperature &amp; amp; Fan Failure Detector GUI: Windows only/Operating System: Windows, Linux and Mac OS Dimensions (mm): 125W x 212L x 168H / Weight (kg): 3.4