Features 3D NAND SATA SSD for capacities up to 4TB with enhanced reliability. Sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s. An industry-leading 1.75M hours mean time to failure (MTTF) and up to 600 terabytes written (TBW) for enhanced reliability. WD F.I.T. Lab™ certification for compatibility with a wide range of computers. Free downloadable software to monitor the status of your drive and clone a drive, or backup your data. Includes a 5-year limited warranty so upgrading your storage is worry-free. TECHNICAL SPECIFICATIONS GENERAL Interface SATA 6 Gb/s Formatted capacity 4TB PERFORMANCE Seq. Read up to (MB/s) up to (Queues=32, Threads=1) 560 Seq. Write (MB/s) up to (Queues=32, Threads=1) 530 Rand Read 4KB IOPS up to (Queues=32, Threads=4) 95K Rand Write 4KB IOPS up to (Queues=32, Threads=4) 82K Endurance (TBW 600 POWER Avg. Active Power (mW) 60 Max Read Operating (mW) 3000 Max Write Operating (mW) 3800 Slumber (mW) 56 DEVSLP (mW) 5-12 RELIABILITY MTTF Up to 1.75M hours ENVIRONMENTAL Operating Temperatures 0°C to 70°C Non-operating Temperature -55°C to 85°C Certifications FCC, UL, TUV, KC, BSMI, VCCI, Morocco Limited warranty 5 years DIMENSIONS Form factor Length 100,2 mm Width 69,85 mm Height 7,00 mm Weight 57,9 g