Storage space can also be boosted by plugging a small SD-card flash memory ( 16GB versions are now widely available) into one of two ports, one of which is designated to act as semi-permanent storage. 通过把一片SD卡式闪存(现在广泛使用的各种款式是16GB)插入两个端口之一,其中一个指定作为暂时存储空间,也能够增加存储空间。