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SilentiumPC Grandis XE1236 consists of a copper base, six U-shape heatpipes (6 mm), a two-section aluminum heatspreader with a polished base, and a pair of fans of 120 mm dimensions. The GF12-25 fans are based on a fluid-dynamic bearing that is set to demonstrate up to 50 thousand hours of fool-proof operation.
To continue, the connection to the motherboard is realized via 4-pin connector. The fans might operate at +12V voltage, accelerating speed from 500 RPM to 1500 RPM due to PWM technology support. On the maximal speed the noise level does not exceed 21 dB. Upon the whole, the blades can produce up to 55 CFM …