Features:

• 4 Bay 3.5" SATA(I or II) or SAS Hot Swap Module;
• All Aluminum Design with Heat Dissipation Grooves;
• Support Plug & Play and Hot-Swappable Tray;
• Electromagnetic Interference shield design;
• RoHS compliance;
• Two 4-pin Redundant molex PSU connectors;
• One 80mm ball bearing cooling fan with air duct for effective air flow & cooling;
• Drive bay guide slots allows for use in most desktop cases;
• Power & HDD Busy LED indicators;
• Support Windows XP, Vista, Windows 7, Linux, MAC etc
• Supports RAID 0, 1, 5 functions (RAID card required)

Specifications:

Drive Bay:Guide slots allows for use in most PC Desktop cases – Requires desktop case with (3) empty 5.25" drive bays and becomes (4) 3.25" hot-swappable HDD Subsystem
Interface: SATA to SATA; SAS to SAS
Alarm: Overheating alarm
Cooling System:One 80mm ball bearing fan with air duct for effective air flow including fan failure sensor
RAID:Supports RAID 0, 1, 5 functions (RAID card required)
Power Connector: Two 4-pin molex PSU connectors
Data Connector: Four SATA (I or II)/SAS data ports
Dimensions(L x W x H):8.5" x 5.8" x 5"
Weight: 5 lbs

Warranty:2 Year Limited Warranty (1st Year = Parts & Labor covered, 2nd Year = Labor only covered )