|Asus Q529za|U Of A And Asus|Asus Q526f| **Optimized Performance for Asus Laptops** The K53SD MAIN BOARD is a high-quality replacement for a range of Asus laptops, including the A53E, A53S, K53E, X53E, K53S, K53SD, and P53 models. This motherboard is designed to enhance the ...