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Sd Memory Cards


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I need to purchase a memory card :o

Looking for something which will be at least 4gb. Needs to be fast and reliable. I'd rather have something with a shorter warranty which won't brake down than a cheap card with lifetime warranty which will loose all my data but will be replaced. This is going to be used in a PDA so it needs to be fairly quick.

I've been looking around for these cards but I don't understand their parameters. Some are "x133", "x150", they also mention other things which I don't understand and therefore can't make the right choice. Also, which manufacturers' cards should I not buy?

Price is not an issue here but I'd rather not exceed 100 pounds.

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If I were you, I'd buy either four 1gb cards or two 2gb cards: simply because - if your 4gb card messes up, you are going to loose 4gb worth or images (assuming this is for a camera), but if you have a 1gb card and it screws you over, you only loose 1gb's worth - and the other 3 will be fine.

I personally don't use anything over 1gb for that very reason.

As for makes, you can't really go wrong with Sandisk or Lexar card's.

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I have a Transcend 150x 2gb SD card for my camera, bought from http://www.offtek.co.uk and the only problem I have with it is that there is TOO MUCH room, for a camera. I don't often empty my card, but now when it comes to that point I have 2GB to think of... I don't know of this will bother you.

I've not had any problems with that brand so far (but I have only bought five of the cards)

Edited by Monkey
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If your after a lifetime warranty look no further than http://www.crucial.com/uk/store/listmodule...ecure%20Digital

As for speeds....

How is the X speed calculated?

The speed rating system used for flash is based on the rating system used in the optical drive industry. A data transfer rate of 1X means that the product can transfer data at 150 kilobytes per second (KB/s).

So what would be the read/write speed of a 40X card or UFD be in megabytes (MB) per second?

40 x 150KBps = 6000KB/s or 6MB/s

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