The Constellation 7200 hard drive enables manageable nearline storage solutions in 2.5 chassis — either direct attach or in a tiered storage environment — at the lowest power usage without compromising performance or reliability. Constellation 500GB SATA drives deliver cost-effective nearline storage. Seagate Constellation drives are the most energy efficient enterprise drives on the market. Now available in capacities to 500GB, they offer reliable storage for high capacity servers and storage arrays in a minimal footprint. Industry’s leading 2.5-inch, mainstream capacity, 15mm enterprise-class nearline drive for dense, space-constrained data centers Lowest operating power at less than 4 watts and up to 54 percent additional idle power savings with host-selectable, on-demand PowerChoice feature Industry’s highest-reliability in a 7200-RPM drive with a 1.2M-hour mean-time-between-failure (MTBF) rating that’s designed for 24x7 operation Best-in-class rotational vibration tolerance ensures unrivalled performance in high spindle-density applications, and multi-drive firmware maximizes system availability Ships in Certified Frustration-Free Packaging UPC 763649021071 ASIN B002JDBMJ4 Brand Seagate Color Silver Model Name ST9500530NS Read Speed 300 Megabytes Per Second Form Factor 2.5-inch Item Weight 0.43 Pounds Media Speed 75 megabytes_per_second Manufacturer Seagate Model Number ST9500530NS BuiltIn Media Hard Drive HardDrive Size 500 GB Number of Items 1 Installation Type Internal Hard Drive Compatible Devices Desktop Data Transfer Rate 375 Megabytes Per Second Additional Features Portable Hard Disk Interface Serial ATA Warranty Description 5 year limited Customer Package Type Frustration-Free Packaging Hard Disk Description Mechanical Hard Disk Hard Disk Form Factor 2.5 Inches Hardware Connectivity SATA 3.0 Gb/s Connectivity Technology SATA Digital Storage Capacity 500 GB Specific Uses For Product Personal Hard Disk Rotational Speed 7200 RPM Cache Memory Installed Size 32 Global Trade Identification Number 00763649021071