Dell PowerEdge T20 Getting Started Manual page 6

Power
Battery
Coin-cell battery
Drives
Hard drives
Expansion Bus
Bus type
Expansion card slots:
Physical
Height
Width
Depth
Maximum configuration weight
Empty weight
Environmental
NOTE: For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets.
Temperature
Operating
Storage
Relative humidity
6
3 V CR2032 Lithium coin cell
Up to four 3.5 inch and two 2.5 inch internal, cabled SATA hard drives
NOTE: If you install more than four SATA hard drives, you need an
optional SATA controller card.
PCI Express Generation 3
Supports three PCIe expansion card slots and one PCI expansion card
slot
NOTE: The power consumption of the PCIe expansion cards is less
than 25 W.
36.29 cm (14.29 inch) with feet
36.0 cm (14.17 inch) without feet
17.5 cm (6.88 inch)
43.5 cm (17.12 inch) with bezel
40.0 cm (15.75 inch) without bezel
8.6 kg (18.95 lb)
8 kg (17.64 lb)
Continuous operation: 10 °C to 35 °C at 10% to 80% relative humidity
(RH), with 26 °C maximum dew point. De-rate maximum allowable dry
bulb temperature at 1 °C/300 m above 900 m (1°F per 550 ft).
NOTE: For information on supported expanded operating
temperature range and configurations, see dell.com/support/
manuals.
–40 °C to 65 °C (–40 °F to 149 °F) with a maximum temperature
gradation of 20 °C per hour