Lenovo Ideapad 310 - 15.6" HD Display Laptop with 3x Faster WiFi (Intel Core i5, 8 GB RAM, 1TB HDD, Windows 10) 80SN0004US HIGH PERFORMANCE NOTEBOOK: DDR4 RAM delivers higher performance, lower power consumption, higher density and increased reliability (8 GM RAM) LATEST WIFI TECHNOLOGY: This laptop's internet speed is up to 3x faster, thanks to 802.11 a/c Wi-Fi technology. This means faster media streaming and web browsing. STUNNING HIGH DEFINITION LAPTOP: The Lenovo Ideapad 15.6" HD screen creates clear, crisp visuals for your games, movies, and video chats (1366x768 resolution) INTEGRATED DVD/CD-RW DRIVE: Ditch your external optical drive and enjoy the integrated DVD/CD-RW drive. Load programs, listen to CDs, and watch movies offline AFFORDABLE GRAPHICS AND PERFORMANCE: Available with the latest processors and optional discrete graphics, the notebook computer delivers serious horsepower without breaking the bank. Maximum expandable Ram memory: 12 GB