Key Features 1. 650W Redundant-Cooling Power Supply 2. 8 x 3.5" SAS / SATA Hot-swappable Drive Bays 3. 2x 5.25" Peripheral Drive Bays 4. 1x 5.25" Drive Bay For 3.5" 1.44MB Floppy Drive 5. 7x Full-height, Full-length expansion slot 6. 4x 5000 RPM Hot-Swappable Cooling Fans 7. 2x 5000 RPM Hot-Swappable Rear-exhaust Fans 8. 2x Front USB Ports 9. Locking Bezel with Filter 10. Power Switch, Reset Switch & 6 LED Indicators Form Factor 4U chassis support for max. motherboard size - 12" x 13" E-ATX Processor Support Dual Xeon™ 800 MHz FSB Processors Dimensions Height * 7.0" (178mm) Width * 17.2" (437mm) Depth * 25.5" (648mm) Gross Weight * 56 lbs (25.4kg) Available Colors * Beige, Black Expansion Slots 7x PCI expansion slots Drive Bays Hot-swap * 8x 3.5" SAS / SATA Hot-swap Drive Bays Peripheral Bay(s) * 2x 5.25" Peripheral Drive Bay * 1x 5.25" Bay For Floppy Drive SATA Backplane SATA Hard Drive Backplane Front Panel Buttons * Power On/Off button * System Reset button LEDs * Power LED * Hard drive activity LED * 2x Network activity LEDs * System Overheat LED * Power Fail LED Ports * 2x USB Ports System Cooling Fans * 4x 5000 RPM Hot-Swappable Cooling Fans * 2x 5000 RPM Hot-Swappable Rear Exhaust Fan System Monitoring Chassis intrusion switch Operating Environment (System) Operating Temperature Range * 10 - 35°C (50° to 95° F) Non-Operating Temperature Range * -40 - +70°C (-40° to 158° F) Humidity Range * 8 - 90% non-condensing Non-Operating Humidity Range * 5 - 95% non-condensing Power Supply 650W Redundant-Cooling AC power supply with PFC [ 24-pin, (4-pin, 8-pin) = 12V ] AC Voltage * 100 - 240V, 50 - 60Hz, 11 - 5 Amp DC Output * 5V + 3.3V ? 160W +5V * 30.0 Amp +5V standby * 4.0 Amp +12V * 46.0 Amp -12V * 0.6 Amp +3.3V * 30.0 Amp Regulatory (Power Supply) Power Supply Safety / EMC * USA - UL listed, FCC * Canada - CUL listed * Germany - TUV Certified * Europe/CE Mark * EN 60950/IEC 60950-Compliant