Product Specifications - SCA Chassis      Form Factor Specialized mid-tower workstation chassis.  Dimensions Height 19.3" (49.02cm) Width 8.3" (21.08cm) Depth 17.7" (44.96cm) Weight 41 lbs. (19kg), Shipping Weight Color Beige    Hot-Swap Drive Bays Drives Supports 5 Ultra2 SCSI SCA2 3.5" (1.0" high) hard drives SCSI Backplane SCA2 connectors, thermal sensor Drive Cooling Two fans attached to bays   External Peripheral Bays (not certified for hard drive use) 2 @ 5.25 "; 1/2 height (1.6")   1 @ 3.5 "; 1/3 height (1.0") (for floppy)   System Cooling Four fans total Three 92mm fans—instrumented to provide RPM data to server board for fan failure prediction and detection One 80mm fan (in power supply)   Security Chassis-intrusion switch for alert over network (enabled by server management software which ships with Intel's server boards)   Lockable side cover and hot-swap drive bay   Electrical Power Supply AC Voltage and Frequency 115v/60 Hz; 230v/50 Hz DC Power Supply 300W PFC +5V 26A maximum continuous +5V standby 0.8A maximum continuous +12V 10A maximum continuous +3.3V 16A maximum continuous -5V .25A maximum continuous -12V 0.5A maximum continuous Remote Voltage Sense Senses voltage levels near server board connector for more precise power supply voltage regulation, leading to more efficient use of power   Front Panel Power/Reset Power button (momentary), system reset button, hidden NMI switch LEDs Power, hard drive activity, NIC activity, fan failure, 5 for hard drive failure Serviceability The following are the suggested times needed for a trained field service technician to perform maintenance procedures, after diagnosis of the system condition: Remove cover 1 min. Remove and replace disk drive 1 min. Remove and replace power supply 5 min. Remove and replace fan 5 min. Remove and replace expansion board 5 min. Remove and replace front panel board 5 min. Remove and replace server board (with no expansion boards) 10 min. Environment   Ambient Temperature       Operating +5° C to +35° C     Non-operating  -40° C to 70° C ambient Relative Humidity       Non-operating 95% @ 30° C non-condensing Acoustics less than 45 dB at typical office temperature (65-75° F) Electrostatic discharge 20KV per Intel Environmental test specification   Regulations The chassis, when used with compliant motherboard, meets the following Safety and EMC Regulations:   Safety   U.S./Canada UL 1950 - CSA 950-95, 3rd Edition (UL and cUL) Europe/CE Mark EN60 950 2nd Edition (with Amendments 1 to 3) (CE Mark Complies with EC Directive 73/23/EEC) International IEC 60 950 2nd Edition (with Amendments 1 to 4): CB Certificate and Report Norway/Sweden/ Denmark/Finland EMKO-TSE (74-SEC) 207/94; Denmark, Finland NEMKO Licensed Australia/New Zealand AS/NZS 3260 (based on IEC 950 CB Certificate and Report)   Electromagnetic Compatibility (EMC)   U.S. FCC CFR 47 Part 15 Class B  Canada ICES-003, Class B Europe/CE Mark EN55022, Class B & EN50082-1 (CE Mark—Complies with EC Directive 89/336/EEC) International CISPR 22, Class B 2nd Edition Japan VCCI, Class B (ITE) (based on CISPR 22 Requirements) Australia/New Zealand AS/NZS 3548 (based on CISPR 22)