✅Compatible with Dell AIO Inspiron 3275, 3277, 3280, 3475, 3477, 3480, 5400, 5401, 5490, 7700, 7790; ✅Part Number: AIO1TMP6, 01TMP6m; ✅Laptops with the same model number can sometimes be different types, please check the picture showing the actual product and make sure it is the same as yours ✅100% Professional Quality Guarantee: Manufacturing which gives it stable characteristics and high reliability. Our ultimate goal is to make you satisfied ✅6 months warranty
