[Intel Atom Processor] Quad-Core Intel Atom x5-Z8350 Processor. Its base operating frequency is 1.44 GHz/s rising to 1.92 GHz in burst mode. Pre-installed with Windows 10 Pro (64bit) OS, you can use the mini pc to surf the internet and deal with ordinary things efficiently. [Storage Expansion Option] The Mini PC comes with 2GB RAM / 32GB ROM. You also can expand the storage with a Micro SD card up to 128GB, a USB stick, or a USB hard disk. Storage Expansion design meets the needs of different groups of people.