HighZer0 Electronics can update your RAM using our new & certified refurbished RAM to give your system a boost or replace a failed module. We have laptop, desktop, and server RAM ranging from 2GB, 4GB, 8GB, and 16GB modules in DDR3 and DDR4. Not sure what you need? Contact us to ensure you get the right part! Also watch for product recommendations and reviews by visiting the Products Corner blog.