High quality Dell 3521 Laptop Keyboard compatible with your laptop. This is finest quality laptop Keyboard available in the market it will replace your faulty (original) laptop keyboard. You can expect optimum level of performance just like you were experiencing with your original laptop keyboard. The new Dell 3521 Laptop Keyboard will meet all the specifications so you can experience a consistent performance out of your laptop. There is no need to worry about the reliability of the product as the replacement Dell 3521 Laptop Keyboard we ship go through proper quality assurance processes. It is a perfect replacement Keyboard, and on the top price is also very competitive.