IBM 86624RY Maintenance Manual - Page 69

Specifications The following list contains the specifications for the Netfinity 5500 M20. Size (Tower Models) Depth: 700 mm (27.6 in.) Height with NetBAY3: 530 mm (20.9 in.) Height without NetBAY3: 356 mm (14 in.) Width: 483 mm (19 in.) Front clearance: 305 mm (12 in.) Rear clearance: 100 mm (4 in.) Side clearance: 50 mm (2 in.) Size (Rack Models) Depth: 650 mm (25.6 in.) Height: 356 mm (14 in.) (8 U) Width: 440 mm (17.3 in.) Weight (Tower Models) Unpacked, minimum configuration (with empty NetBAY3): 39 kg (86 lb.) Unpacked, maximum configuration: 55 kg (121 lb.) Weight (Rack Models) Unpacked, minimum configuration: 34.4 kg (76 lb.) Unpacked, maximum configuration: 55.4 kg (111 lb.) Heat Output Approximate heat output in British thermal units (Btu) per hour: - Minimum configuration: 1023.9 Btu - Maximum configuration: 2764.6 Btu Environment Air temperature - System on: 10° to 35° C (50° to 95° F) Altitude: 0 to 914 m (3000 ft.) - System on: 10° to 32° C (50° to 89.6° F) Altitude: 914 m (3000 ft.) to 2133 m (7000 ft.) - System off: 10° to 43° C (50° to 110° F) Maximum altitude: 2133 m (7000 ft.) Humidity - System on: 8% to 80%; maximum wetbulb, 23° C (73.4° F) - System off: 8% to 80%; maximum wetbulb, 27° C (80.6° F) Altitude: 0 to 2133 m (0 to 7000 ft.) Acoustical Noise Emissions Values Sound power, idling - 6.2 bel for open bay system (no hard disk drives installed) - 6.3 bel for typical system configuration (1 hard disk drive installed) Netfinity 5500 M20 - Type 8662 61