If you are looking for market trends, we present the Western Digital MD10ADA800V 3.5" 8TB HDD Hard Drive ! Interface: Serial ATA III Speed: 7200 rpm 6 Gbps Hard Drive: 8 TB 8 TB HDD Weight: 730 g Rotation Speed: 7200 rpm Links: SATA Sata III Compatible: Surveillance System Computers Type: HDD Size: 3.5" Voltage: 5-12 V Approximate Temperature: -40º / 70º Buffer: 512 MB