Corsair's fastest ever flash drives deliver scorching 450MB/sec read speeds and up to 256GB of capacity
(...)
The Flash Voyager GTX flash drives will be available in July through Corsair's worldwide network of authorized distributors and resellers. The drive comes backed with a five-year warranty and Corsair's well-earned reputation for quality, compatibility, and performance.

Suggested retail pricing is as follows:

Flash Voyager GTX 128GB: $119.99 USD
Flash Voyager GTX 256GB: $199.99 USD