No Return / No Exchange / No Warranty.Please check the IC Number and match with your existing Product.Genuine and Proper IC.Super Quality.Every product crosscheck Before Shipping.RT6575DGQW RT6575D ( 5X=** ) IC5X=2B, 5X=5A, 5X=ZK, 5X=5J, 5X=1E, 5X=1J, 5X=2K, 5X=3K, 5X=2M, 5X=3G, 5X=3H, 5X= IC5X-2B, ..