WD Blue PC Desktop Hard Drive 8TB WD80EAZZ Features: Reliable, everyday computing Western Digital quality and reliability Free Acronis® True Image™ WD Edition software Massive capacity up to 8TB Two-year limited warranty Specifications: Capacity 8 TB Interface SATA Form Factor 3.5 Inch Cache Size 128 MB Disk Speed (RPM) 5640rpm Recording Technology CMR Interface speed 6 Gb/s Internal transfer rate (max)185 MB/s Load/unload cycles 300,000