Built extra-rugged with excellent temperature flexibility and high performance, Transcend's CF220I Industrial Temp CF cards are specifically designed for industrial use and mission-critical applications. - CompactFlash Specification Version 4.1 compliant - RoHS compliant - Supports S.M.A.R.T (Self-defined) - Supports Security Command - Supports Global Wear-Leveling, Static Data Refresh, Early Retirement, and Erase Count Monitor functions to extend product life - Operation Modes: PC Card Memory, PC Card IO, True IDE - True IDE Mode supports: UDMA0-5, MDMA0-4, PIO0-6 (UDMA5 as default) - True IDE Mode: Fixed Disk (Default) - PC Card Mode: Fixed Disk (Default) - Advanced Power Shield prevents data loss in the event of a sudden power outage