Lenovo DE120S, Hardware Installation And Maintenance Manual

Page: 26 / 292

Specifications of DE240S
Specification DE240S
Dimension
• Form factor: 2U
• Height: 85 mm (3.35 inches)
• Width:
– With mounting flanges: 480 mm (18.9 inches)
– Without mounting flanges: 447 mm (17.6 inches)
• Depth:
– With cable management arm: 534 mm (21.02 inches)
– Without cable management arm: 484 mm (19.06 inches)
Weight 16 kg (35.27 lb)
Supported drives 2.5-inch SAS SSD/HDD drives
System clearance dimension The clearance needed for proper ventilation and heat dissipation is as follows:
• Front:
– For cooling: 813 mm (32.01 inches)
– For maintenance: 559 mm (22.01 inches)
• Rear:
– For cooling: 610 mm (24.02 inches)
– For maintenance: 305 mm (12.01 inches)
Power input Input power voltage:
• Low range: 100–120 V ac
• High range: 200–240 V ac
Environment requirements
• Air temperature:
– Operating: 10°C to 40°C (50°F to 104°F)
– Storage or shipping: –40°C to 70°C (–40°F to 158°F)
• Relative humidity:
– Operating: 20%–80%
– Storage: 5%–95%
– Shipping: 10%–95%
• Altitude range:
– Operating: 0 m to 3045 m (0 ft to 9988 ft)
– Storage: –305 m to 12 192 m (–1000 ft to 39990 ft)
Note: If you plan to operate a system at an altitude between 3280 ft to 9842 ft (1000
m to 3000 m) above sea level, lower the environmental temperature 3.1°F (1.7°C) for
every 3280 ft (1000 m) above sea level.
20
ThinkSystem DE Series Hardware Installation and Maintenance Guide for 2U Enclosures