Racetrack memory is fast, like the dynamic random-access memory (DRAM) used to hold frequently accessed data in computers, yet it can store information even when the power is off.

• 既然跑道存储器的速度很快，它就能像动态随机存储器DRAM那样存放电脑中的高频访问数据，更好的是它甚至能在断电时存储信息。