OWC: Not All SSDs Are Created Equal: The Story Continues

"When we took the cover off of this third, direct from OCZ SSD, we found a ‘S’ stamped over Micron logo on all the flash devices (see the image to the left). This indicates the device is “off spec” product because it failed some parameter of Micron’s full performance and/or quality specification testing. “Off spec” memory is typically used in low-level applications such as toys, offering considerable cost savings over Tier 1 level to an SSD manufacturer."