500GB External LaCie Rugged (Thunderbolt) and USB-3...

Interface 1 x Integrated Thunderbolt™
1 x USB 3.0 (USB 2.0To achieve full interface bandwidth, connect the product to either a USB 3.0 or Thunderbolt port on a computer or device. and UAS compatible)
Internal Storage Media 1 x 5400 RPM/64 MB cache (or greater) hard disk
OR
1 x SATA 6 Gb/s SSD
Interface Transfer Rate Thunderbolt: 10 Gb/s
USB 3.0: 5 Gb/s
Performance Benchmark Thunderbolt and USB 3.0 (reads)These transfer rates were achieved using AJA System Test with the SSD version connected to a Mac computer via the Thunderbolt interface. Actual data rates may vary depending on operating environment and other factors, such as chosen interface and disk capacity.:
1 TB hard disk: 110 MB/s
2 TB hard disk: 122 MB/s
250 GB & 500 GB SSD: 387 MB/s
All-Terrain Resistance
Dust & Water: IP 54 rated (when cover is attached)
Shock: drops of up to 2 metres (6.6 feet) (in non-operating mode)
Pressure: Run over by a 1 tonne car (1,000 kg / 2,205 lbs) Determined by a test that approximates a real-world scenario in which the hard drive remained functional, despite aesthetic damage, after the product was driven over by an approximately 1 tonne car (1,000 kg / 2,205 lbs).
Theft: password protection with AES 256-bit software encryption Encryption software is only available via download and is not available in Russia.
When referring to drive capacity, one gigabyte, or GB, equals one billion bytes; and one terabyte, or TB, equals one trillion bytes. Your computer’s operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage.
Software
LaCie Backup Assistant (easy way to set up automatic computer backups)
Dimensions (W x D x H) 89 x 140 x 24 mm/3.5 x 5.5 x 1 in.
Weight 1 TB & 2 TB: 350 g | 12.3 oz
250 GB & 500 GB: 280 g | 8.8 oz
System Requirements
Computer with a Thunderbolt, USB 3.0, or USB 2.0To achieve full interface bandwidth, connect the product to either a USB 3.0 or Thunderbolt port on a computer or device. port
operating system:
Thunderbolt: Latest version of Windows® 7, Windows 8 (see here for drivers information) / Mac OS® X 10.6.8 or later
USB 3.0: Latest version of Windows® 7, Windows 8 / Mac OS X 10.6 or later
Minimum free disk space: 600 MB recommended