Mercury Elite Pro Dual is the best dual-drive hardware RAID solution for creative workflows, project archives, and system backups where reliability and versatile performance count With two fast hard drives, easily configured in multiple RAID modes at the flick of an easy-access switch, Mercury Elite Pro Dual is built to seamlessly integrate with any work environment from high Total Capacity: 2 0TB Chipset: JMicron JMS56 Drive Interface: SATA Format: Included Drive Guide Software will format drive for either OS X, or Windows Rotational Speed: 7, 200RPM Plug and Play: Yes Reach Certification: 6 Snow Leopard; Mac OS X 10 Mercury Elite Pro Dual is the best dual-drive hardware RAID solution for creative workflows, project archives, and system backups where reliability and versatile performance count. With two fast hard drives, easily configured in multiple RAID modes at the flick of an easy-access switch, Mercury Elite Pro Dual is built to seamlessly integrate with any work environment from high demand production studios to your home office. Total Capacity: 2.0TB Chipset: JMicron JMS56 Drive Interface: SATA Format: Included Drive Guide Software will format drive for either OS X, or Windows Rotational Speed: 7, 200RPM Plug and Play: Yes Reach Certification: Yes RAID Capable: Yes Default RAID Level: RAID 0 RAID Levels Supported: RAID 0; RAID 1; SPAN; JBOD RAID Features: Hardware RAID MTBF (Mean Time Between Failures): 1, 400, 000 hours Contact Start Stops: 300, 000 Mac OS Compatibility: Mac OS X 10.6 Snow Leopard; Mac OS X 10.7 Lion; Mac OS X 10.8 Mountain Lion; OS X 10.9 Mavericks; OS X 10.10 Yosemite; OS X 10.11 El Capitan; macOS 10.12 Sierra; macOS 10.13 High Sierra; macOS 10.14 Mojave; macOS 10.15 Catalina; macOS 11.x Big Sur; macOS 12.x Monterey; macOS 13.x Ventura PC OS Compatibility: Windows XP; Windows XP 64-bit Edition; Windows XP Professional x64 Edition; Windows Vista; Windows 7 32-bit Edition; Windows 7 64-bit Edition; Windows 8 32-bit Edition; Windows 8 64-bit Edition; Windows 8.1 32-bit Edition; Windows 8.1 64-bit Edition; Windows 10 32-bit Edition; Windows 10 64-bit Edition; Windows 11 Power Supply: External power supply; Need an additional power supply? Secondary/replacement power supplies are also available. DC Output: +12V, 4A External Power Adapter: Yes Replacement Adapter Part Number: (sold separately) Number of Bays: 2 Device Ports: (1) USB 3.2 Gen 1 Type-B Port; (1) eSATA 6 Gb/s Port Cooling: (1) cooling fan Security Slot: Yes Power Button: Yes Power/Activity LED: Yes Housing Color: Silver Housing Material: Aluminum Dimensions: Height: 13.5 cm (5.3 in); Length: