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The <strong>SD</strong> <strong>Card</strong> must be formatted, or written to, in a special way that means the Raspberry<br />
Pi can read the data it needs to start properly. If you are new to this check the instructions,<br />
or buy a pre-formatted <strong>SD</strong> <strong>Card</strong>.<br />
One advantage to using an <strong>SD</strong> <strong>Card</strong> like this is that you can have several <strong>SD</strong> <strong>Card</strong>s, each<br />
with a different operating system, or a different purpose. Simply power off, switch cards,<br />
and reconnect the power. You have a different computer to play with.<br />
Which <strong>SD</strong> <strong>Card</strong>?<br />
<strong>SD</strong> <strong>Card</strong>s come in three physical sizes (see picture). The<br />
Raspberry Pi needs the largest one. The mini<strong>SD</strong> <strong>Card</strong> and<br />
the Micr<strong>SD</strong> <strong>Card</strong> can be used in a Raspberry Pi, but you<br />
will need an adaptor / holder to fit it.<br />
<strong>SD</strong> <strong>Card</strong>s come in a range of storage sizes. You need one<br />
of type <strong>SD</strong>HC, but there are other types of <strong>SD</strong>SC, <strong>SD</strong>XC<br />
and <strong>SD</strong>IO which will not work in a Raspberry Pi<br />
(confirmation needed). The <strong>SD</strong>HC type comes in memory<br />
sizes of up to 32GB.<br />
There are other properties of <strong>SD</strong> <strong>Card</strong>s that are not<br />
covered here. Read the Wikipedia article<br />
(http://en.wikipedia.<strong>org</strong>/wiki/Secure_Digital) for those<br />
details.<br />
Other <strong>SD</strong> <strong>Card</strong> content<br />
See the following links for other information:<br />
▪ Select a Distribution<br />
▪ <strong>Easy</strong> <strong>SD</strong> <strong>Card</strong> set up<br />
▪ Advanced set up<br />
▪ Troubleshooting<br />
▪ <strong>SD</strong> <strong>Card</strong> Performance<br />
Technical Information<br />
Note that manufacturers change their designs over time, even as the specs stay the same.<br />
(E.g. an ACME 8 GB class 4 card manufactured in 2011 might work, while one<br />
manufactured in 2012 might not.) For this reason, please specify product numbers in the<br />
lists below, when possible.<br />
You can also attach the following fields from your card's CID :