Tower series is designed to apply with standard HDD enclosure supporting up to 7 targets. IT series has special platform design for heavy duplication manufacturers. It supports up to 15 targets. There are 4 major differences between Tower and IT:
1. IT series supports auto power control. When copy stop, HDD interface's power will automatically shut down, it can guarantee not to damage HDD while plug and pull. Because Tower series use standard HDD enclosure which support hot swap which allow HDD to pull and plug while the power not yet completely off.
2. IT is a platform design which supports 2.5, 3.5" SATA HDD and IDE HDD via SATA-IDE converter. Tower series can only support3.5" SATA HDD, and 2.5 “HDD via 3.5” to 2.5” converters.
3. The SATA interface is consumables which may wear and tear after a period of time of usage. Tower series requires changing the enclosure by opening from the tower case. IT series will be easier by just switch the SATA connector module.
4. The highest speed support from real test result. IT series is about 100MB/sec, while Tower series is 90MB/sec.