Completing the I / O roster is a MicroSD storage expansion slot used to increase the capacity of the player (which is apparently limited to 512Mb). (techradar.com)
T - Mobile BlackBerry Curve 9315 packs a 3.2 MP camera with LED flash, a microSD card storage expansion slot (up to 32 GB), Wi - Fi, FM radio, and GPS. (gadgetfolder.com)
Ports located next to the Micro-USB are a microSD storage expansion slot, a headphone jack and a volume rocker. (heavy.com)