chladicí ALU podstavec Coolermaster NotePal U3 pro NTB 15-19" black, 3x8cm fan Available Color Black, Material Aluminum, rubber Dimension (W / H / D) 420 x 320 x 65 mm Weight 1.04 kg Operation degree 10 degree (fix) Power 5V DC USB Port USB 2.0/1.1 x1 (for power in) Compatibility Supports all 15"~17" notebook (up to 19") Fan Dimension (W / H / D) 80 x 80 x 10 mm (3 fans) Fan Speed 950~1,800 RPM (with speed control) Fan Noise Level (dB-A) 18 dBA (Min.) Fan Life Expectancy 40,000 hours http://www.coolermaster.com/product.php?product_id=6671category_id=16