NB.MP411.003 Acer Aspire R3-471T Laptop Motherboard w/ Intel i5-4210U 1.7GHz CPU System Pull. Guaranteed for 90 days. Genuine part. Acer Acer Aspire R3-471T Laptop Motherboard w/ Intel i5-4210U 1.7GHz CPU Parts can usually not be interchanged - please check to make sure that your original part has this part number or that the manufacturer recommends this replacement part for your system.