HP t5540 Thin Client. Processor clock speed: 1 GHz, Processor family: Via Eden. Maximum graphics adapter memory: 64 MB. Operating system installed: Windows Embedded CE 6.0. Weight: 1.54 kg, Dimensions (W x D x H) with stand: 52 x 215.9 x 219.7 mm. Operating temperature range (T-T): 10 - 40 °C, Storage temperature range (T-T): -30 - 60 °C, Operating relative humidity range: 10 - 90 %