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Lexar defines "x" within its speed-rating system as equivalent to a minimum write speed capability of 150 kilobytes per second. The Professional Series 60x Secure Digital (SD) card delivers a minimum sustained write speed capability of 60x, equivalent to 9MB per second.
Lexar's Professional Series 60x SD cards include a lifetime warranty, unlimited access to Lexar's dedicated technical support team for professional photographers, a free copy of the award-winning Image Rescue 2.0 image recovery software and a free trial version of Photo Mechanic image management software.
