N300 NAS Hard Drive 18TB HDWG51JUZSVA Features: 3.5" SATA Hard Drive 7200 rpm 256/512 MB buffer 24/7 operation Supports 1-to-8 bay NAS High reliability and enhanced real-time performance Toshiba Dynamic Cache Technology Toshiba Stable Platter Technology High-endurance design Error recovery control Temperature control 3-year warranty Specifications: Basic Specifications Form factor 3.5-inch Interface SATA 6.0 Gbit/s Drive bays supported 1 to 8 Rotational Vibration (RV) Sensors yes Advanced Format (AF) yes RoHS compatible yes Halogen Free Yes Shock Sensor yes Performance Rotational speed 7,200 rpm Buffer size 512 MB Data transfer speed 281 MB/s typ. Average latency 4.17 ms Native Command Queing (NCQ) supported Reliability Workloads 180 TB/year MTTF 1,200,000 hours Unrecoverable error rate 1 per 1014 bits read 24/7 operation yes Limited warranty 3 years Power Management Consumption (operating) 7.48 W typ. Consumption - Active Idle 4.14 W typ. Environmental Vibration (operating) 10 TB Vibration (non-operating) 29.4 m/s2 (3.0 G) (5 to 500Hz) Shock (operating) 686 m/s² (70 G) / 2 ms duration Shock (non-operating) 2450 m/s² (250 G) / 2 ms duration Acoustics (idle mode) 20 dB typ. Physical Dimensions 147 (L) x 101.85 (W) x 26.1 (H) mm Weight (approx.) 720 g max.