You might want to check out
www.cdrinfo.com within their optical drives review section. For the drives they test, not only do they give an overview of the error correction and capabilities, but they also test and give results with a number of brand name discs used on that drive so you can see how a drive might work with your specific discs. It's somewhat armpit deep details but if you're concerned about long term data security it's good info to read prior to purchasing a drive.
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