The 9000620 8big Spare Hard Disk from LaCie is compatible with the company's 8big Rack Thunderbolt 2. The Enterprise Class hard disk can hold up to 6 TB, and is a capacity-optimized hard drive for bulk data applications. It provides fast high capacity HDD, with optimal random and sequential read/write performance. The 9000620 features enhanced error correction, maximum parity, and end-to-end SAS-based data integrity for accurate data storage. There is rotational vibration tolerance for consistent performance, and improved power and cooling efficiencies with low power consumption and PowerChoice technology.