On 13 February 2015 at 08:41, IVP wrote: > I'm also thinking of them for archive storage, rather than DVD, > particularly for prority data like product projects, important > photos and documents etc > Hopefully multiple copies. When they die they can "just die". Depending on the controller and system used this can be essentially unrecoverable even if the actual data is still there. Russell. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .