Dell PowerEdge R900 Getting Started With page 14

Connectors
Back
NIC
Serial
USB
Video
Front
Video
USB
Video
Video type
Video memory
Power
AC power supply (per power supply)
Wattage (output)
Voltage (input)
Maximum power dissipation
Maximum inrush current
Batteries
System battery
RAID battery (optional)
12
Getting Started With Your System
Four RJ-45 (for integrated 1-GB NICs)
9-pin, DTE, 16550-compatible
Two 4 pin, USB 2.0 compliant
15-pin VGA
15-pin VGA
Two 4 pin, USB 2.0 compliant
ATI ES1000 video controller; VGA
connector
16 MB of DDR SDRAM
1570W (200/240 VAC input)
1030W (100/127 VAC input)
90 - 140 VAC @ 47 - 63 HZ
180 - 264 VAC @ 47 - 63 HZ
350W
55A
CR2032 3.0-V lithium ion coin cell
3.7-V lithium ion