ST8000AS0002 -Extremely low use; 10K Power on Hours & 58 Power on Count -Enterprise grade storage; perfect for NAS or backup target -Reliable, low-power data retrieval based on SMR technology -Enjoy peace of mind with a drive engineered for 24x7 workloads of 180TB/year -Keep your costs down with up to 1.33TB-per-disk hard drive technology -Store your data faster with SATA 6Gb/s interface that optimizes burst performance