per Lenovo Thinkpad X1 Carbon 4th Gen X1 Yoga 1st Ge ventola di raffreddamento CPU con dissipatore
New For 2016 Lenovo Thinkpad X1 Yoga X1 Carbon 4th CPU Cooling Fan W/ Heatsink. For ThinkPad X1 Yoga 1st Gen (Type 20FQ 20FR). For ThinkPad X1 Carbon 4th Gen (Type 20FB 20FC). Compatible ModelX1 Yoga X1 Carbon 4th.