GL3220 is a super speed USB 3.0 compliant Mulit-LUN card reader controller which can support various types of memory cards, such as CompactFlashTM, Secure DigitalTM (SD), SDHC, miniSD, microSD (T-Flash), MultiMediaCardTM (MMC), RS-MMC, MMCmicro, MMCmobile, Memory StickTM (MS), Memory Stick DuoTM (MS Duo), High Speed Memory StickTM (HS MS), Memory Stick PROTM (MS PRO), Memory Stick PROTM Duo (MS PRO Duo), Memory Stick PRO-HGTM (MS PRO-G), MS PRO Micro and xD-picture card on one chip. It also supports next generation high density memory cards (Capacity up to 2TB), such as SDXC and Memory Stick XC.