It's been a Though they are formally announcing their first SSDs just now, Seagate says it began shipping Pulsar drives for revenue to select OEMs back in September, so the drives might be available from some server vendors already. No word on when or if they expect to target mainstream users with an MLC-based line, but at least in the short to medium term it doesn't seem that way. The company recently said it expects SSDs to make up less than one tenth of the market even three years from now, with most mobile PCs transitioning to 7200 RPM hard drives.