DUPLICATION: Copy up to 39 Secure Digital or MicroSD cards at 35MB per second (2GB/Min) in each slot (Max Speed depends on the SD cards) DUPLICATION MODES: 4 different copy modes: System and Files (Quick Copy), Whole SD card (Full Copy), All Partitioned Copy - Partitioned area only, Percentage Copy - Set up Starting & End point copy ERASE MODES: 4 different erase modes: Full Erase - Whole Media, Quick Erase - Essential Files, DoD 3-pass - 3 times erase in 5220.22-M standard, DoD 7-pass - 7 times erase in 5220.22-M ECE standard MEDIA COMPATIBILITY: Supports Secure Digital (SD) or MicroSD card in its own slot. STANDALONE OPERATION: No software, computer, or host connection for increased security and without losing copy speed WARRANTY: 1 year manufacturer's part and labor warranty; Lifetime Technical Support