Make sure this fits by entering your model number. TERRIFIC DOWNLOAD AND UPLOAD SPEEDS - T90B+ Pro Windows Laptop PC features 5 GHz WIFI which means the download and upload speeds are atleast 2x faster than traditional laptops. Furthermore, Intel Cherrytrail Quadcore Processor is quick enough to launch your Windows programs with no lag whatsoever and play your favorite games in full speed SUPPORTS HDD UPTO 1TB - Your new Lapbook comes with 4GB RAM. Storage is expandable up to 256GB with a Micro SD card (tf-card) or Insert a HDD (upto 1TB) and increase the internal storage immediately.