Upgrade your desktop's performance with this brand new A-Tech 4GB DDR4 SDRAM RAM module. Whether you're a gamer or a professional, you'll appreciate the boosted speed and capacity this module provides. With a bus speed of PC4-17000 (DDR4-2133), this module is perfect for those looking for high-end desktop performance. It is tested and in good working condition. See photos for cosmetic condition. Please message with any questions!