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Dec 15, 2009, 06:02 (1 Talkback[s])


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"CDs, DVDs, and Blu-ray discs are an economical and versatile method to back up, transport and distribute files. Single layer discs offer 700MB, 4.7GB, and 25GB capacity respectively. There are also dual layer media available for DVDs and Blu-ray formats which double capacity. Even with large capacities, write times are quick. For example, the Pioneer BDR-205 offers 12x Blu-ray write speeds, and whilst there isn't media designed to write at that speed, it only takes approximately 10 minutes to fill up a 25GB BD-R disc.

"These days optical media is also keenly priced. CD media can be purchased for less than 10p each, whereas single layer DVDs and Blu-rays can cost as low as 20p and £1.50 respectively when purchased in spindle packs. Two UK retailers which we highly recommend for blank media are SVP and 7dayshop.com, the latter offering free postage which makes it ideal when you only need to purchase a few discs. Further, as their business is located in the Channel Islands there is no VAT (sales tax) payable for items under £18.

"Besides the price attractivenes of optical discs, an additional attribute is that they are highly portable. One factor to bear in mind in any backup strategy is to ensure that your data is held at a different location, to prevent data loss in the event of say fire or flooding."

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