Given the task definition and input, reply with output. Given an Amazon customer review, write a title for the review. The preferred titles are under fifteen words.

This device may be \"compatible\" with 6GB/s drives, but it is NOT a 6GB/s device. It is still capped at maximum bandwidth of 3GB/s per the device's controller. Consequently, the performance of this device is merely average for a 3GB/s device.
Not a 6Gb/s device