Switching between 2011 and 2012 hard disks 2011 mode reads 2011 hard disks; 2012 mode reads 2012 hard disks One drive at a time Two hard disks cannot be used at the same time; only a single drive can be used at a time Interfaces and performance This adapter features output interfaces (12+6Pin and 18+8Pin) and supports speeds up to 6Gbps, ensuring fast data transfer and performance Important usage note Before using this product, ensure that your hard drives are not encrypted; otherwise they may not be recognized when connected to a computer via a hard drive enclosure Use scenarios Data recovery or transfer from a 2011 hard disk by switching to 2011 mode when connected to a computer or enclosure Read or migrate data from a 2012 hard disk by switching to 2012 mode IT or lab use to quickly switch between two drives for testing or comparison, with only one drive connected at a time