Access arm
Updated: 10/18/2022 by Computer Hope
Alternatively called the read/write head arm, head arm, or actuator arm, the access arm is in every mechanical hard drive with a similar to the arm of a record player. As the platter spins, the access arm adjusts along the axis point to move the read/write heads to read, write, or delete information. The image shows the inside of a hard drive with the actuator and actuator arm.
