赛道内存（英语：Racetrack memory），又称磁畴壁内存（domain-wall memory，DWM），一种实验中的非挥发性内存，由IBM所属的阿尔马登研究中心（Almaden Research Center）研发，研发小组由IBM院士斯图尔特·帕金（Stuart Parkin）领导。在2002年开始研发，2008年已做出3比特版本。它的数据保存密度比现有的闪存（flash memory）还高，与现有的硬盘技术接近，可以作为通用型内存（Universal memory）使用。

Racetrack memory or domain-wall memory (DWM) is an experimental non-volatile memory device under development at IBM's Almaden Research Center by a team led by physicist Stuart Parkin. In early 2008, a 3-bit version was successfully demonstrated. If it were to be developed successfully, racetrack would offer storage density higher than comparable solid-state memory devices like flash memory and similar to conventional disk drives, with higher read/write performance.