![]() This problem is supposed to have been fixed, but you’ll still see people occasionally running into problems with Class 10 cards, so just be aware that it’s a potential issue. The early Raspberry Pi firmware and bootloader didn’t like Class 10 SD cards. That said, a faster card can as much as double your transfer rate (in terms of MB/sec), so if speed is critical to your use, you should go with a higher class card. You can find a thorough list of known, tested cards (as well as cards that don’t work) at. Vendors that sell cards with a Linux distribution meant for the Raspberry Pi largely use SanDisk or Kingston brand SDHC Class 4 cards. Most high-quality, Class-4-or-greater SDHC cards (i.e., a recognized name brand) should work for most purposes. SD cards are sold with a class number (e.g., 4, 6, 10), in which a higher class number equates to a faster card. ![]() A few factors should weigh into your card selection, though, and even if you think you’ve chosen well, you might still need to troubleshoot minor problems. Being able to change the entire system quickly by inserting a new SD card is also one of the Pi’s most interesting strengths, especially when it comes to education. After all, when it comes to the Raspberry Pi, it’s the equivalent of choosing a hard drive. Picking the right one might seem simple, but we’re here to help you make the right choice. ![]() The Raspberry Pi does not have any built-in flash storage it needs an SD card to do anything. ![]() Hack 1. Choose and Format the Right SD Card ![]()
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