NC3NR Dell 6TB 7200RPM SAS 12Gb/S 4kn 3.5-Inch Hard Drive

Dell 6TB 7200RPM SAS 12Gb/S Hot-Pluggable 4kn 3.5-Inch Hard Drive. 7.2K RPM stands for revolutions per minute and refers to the speed at which the disk platter inside the hard drive spins. In this case, the Dell NC3NR hard drive has a speed of 7,200 RPM.