The LaCie 2big 6GB 2-Bay Thunderbolt USB 3.0 Type-A 2 RAID Array is a high-speed storage solution that offers a total storage capacity of 6TB with two 3TB hard drives. It features a Thunderbolt interface for fast data transfer, with a read speed of 7200MB/sec and a write speed of 720MB/sec. This compact unit is designed for use with both PC and Mac computers, making it a versatile option for external storage needs. With its sleek design and reliable performance, the LaCie 2big is a top choice for professionals and consumers looking for a dependable storage solution.