Genuine Asus VivoBook 17 X712 chargers are listed below and this series has many sub series, such as the Asus X712JA, X712DA, X712FAC that use the 19v 2.37a 4phi 45w ac adapter, while the Asus X712FB, X712EA, X712EQ, X712DK, X712VA uses the 19v 3.42a 65w ac adapter and this one actually fits all specifications low and high within this range of notebooks and laptops, so just simply check your model beneath your laptop and select below.