Cpu cooling fan for Lenovo Ideapad U310 U310-I Laptop Cooling Pads - Newegg.com
New Original Cpu Cooling Fan For Lenovo Ideapad 310-14isk 310-14iap 310-15ikb 310-15isk 310-15 510-15 510-14ikb Cooler Fhkb 5pin - Laptop Repair Components - AliExpress
Lenovo IdeaPad U310 Fan Replacement - iFixit Repair Guide