- AMTRON TECHNOLOGY Welcome ! We are a specialist supplier of card reader/writer (card drive) and adapter for PCMCIA (PC card), CompactFlash (CF), SSFDC SmartMedia, Memory Stick, MultiMediaCard (MMC), Microdrive, Secure Digital (SD) cards; digital camera picture storage cards (aka digital film) and memory cards (SRAM, ATA flash, hard drives, Compact Flash, etc.); I/O cards such as data/fax modem, ...www.amtron.com