Western Digital has released Ultrastar SSD800MH 12Gb/s SSD that doubles the maximum SAS interface speed. It will come with capacities of 800, 400 and 200GB. The Ultrastar SSD800MH and Ultrastar SSD800MM are similar but latter is slightly slower. The Ultrastar SSD1000MR is the top end model which will have 1000 GB, 500 GB and 250 GB variants.
These new SSDs, Ultrastar SSD800MH, SSD800MM, SSD1000MR, are clearly not meant for a normal consumer. These are enterprise quality solid state drives and boast read and write speeds of 1200 MB/s and 750 MB/s respectively.