Lenovo ThinkCentre M55e Hardware Maintenance Manual - Page 44

Specifications This section lists the physical specifications for your computer. Types 8700, 8701, 8705, 8717, 8973, 8975, 8979, 8983, 8985, 8991, 8995, 9265, 9269, 9277, 9279, 9283, 9287, 9379, 9383, 9387, 9389, 9631, 9635, 9637, 9646, and 9648 This section lists the physical specifications. Dimensions Height: 400 mm (15.7 in.) Width: 175 mm (6.9 in.) Depth: 432 mm (17.0 in.) Weight Minimum configuration: 8.17 kg (18 lb) Maximum configuration: 10.21 kg (22.5 lb) Environment Air temperature: System on: 10° to 35°C (50° to 95° F) System off: 10° to 60°C (50° to 140° F) Maximum altitude: 914 m (3000 ft) Note: The maximum altitude, 914 m (3000 ft), is the maximum altitude at which the specified air temperatures apply. At higher altitudes, the maximum air temperatures are lower than those specified. Humidity: System on: 10% to 80% System off: 10% to 90% Electrical input Input voltage: Low range: Minimum: 100V ac Maximum: 127V ac Input frequency: 50/60 Hz Voltage switch setting: 115 V ac High range: Minimum: 200V ac Maximum: 240V ac Input frequency: 50/60 Hz Voltage switch setting: 230 V ac Input kilovolt-amperes (kVA) (approximate): Minimum configuration as shipped: 0.10 kVA Maximum configuration: 0.31 kVA Note: Power consumption and heat output vary depending on the number and type of optional features installed and the power-management optional features in use. 38 Hardware Maintenance Manual