846785-B21 HPE 6TB 7.2K RPM SATA 6GBPS Low Profile Midline Hard Disk drive

The energy efficiency of the 846785-B21 HPE 6TB Hard Drive refers to its ability to consume less power while delivering optimal performance. The hard drive has been designed with energy-saving features that minimize power consumption, such as its low power requirements and spin speed of 7.2K RPM, which helps to reduce the amount of energy needed to operate the drive.

The low profile design of the hard drive also helps to reduce power consumption by enabling it to run cooler, which means that less energy is needed to keep the drive at a consistent temperature.