What is SD?
SD describes devices that conform to SD standards for non-volatile memory cards. See the SD Association website for details.
Are there size limitations for the cards that can be inserted into the SD slot?
Yes. The SD card specification for a memory card is 32mm by 24mm by 2.1mm. You can also use thinner cards, such as MultiMediaCards (MMC). Avoid using cards that have a thickness greater than 2.1mm, as they might damage the SD card slot if you try to insert them.
Which SD card formats work in the SD card slot?
Cards that conform to the SD 1.x, 2.x, and 3.x standards should work. The SD card slot can use:
- Standard SD, 4MB to 2GB
- SDHC (Secure Digital High Capacity), 4GB to 32GB
- SDXC, 4GB to 2TB
- MMC (MultiMediaCards)
- UHS‑II, up to 2TB (iMac Pro only)
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You can use a passive adapter like the one shown here to make MiniSD, MicroSD, and higher density formats like MiniSDHC and MicroSDHC conform to the width and thickness specifications listed above:
How fast can my Mac read or write to an SD card in the SD card slot?
Mac notebooks use the USB bus to communicate with the SD card slot. They have a maximum speed of up to 480Mbit/s. Mac desktops use the PCIe bus to communicate with the SD card slot. Desktops can transfer data at a faster rate.
Check the packaging that came with your SD media to determine the maximum transfer rate that your specific card uses.
To determine the maximum transfer speed of your Mac, you can use System Information. Choose Apple () menu > About This Mac and then click System Report.
If you use a Mac notebook:
- Select Hardware, then select USB.
- Select Internal Memory Card Reader and look for the Speed entry.
If you use a Mac desktop computer:
- Select Hardware, then select Card Reader.
- Look for the Link Speed entry. Computers that use the PCIe bus express their speed as GT/s.
Does the SD slot work with cards that exceed 32GB?
Yes. However, most media manufacturers preformat the media using common block-and-cluster sizes that don’t approach the theoretical limits of a given file system.
Most SD cards use the FAT32 file format, and preformatted FAT32 SD media is commonly available up to a capacity of 32GB. Media that exceeds 32GB usually uses the exFAT file system, while some smaller capacity cards use the FAT16 file format. Preformatted FAT16 media is generally available up to a capacity of 2GB.
If you use OS X Snow Leopard 10.6.5 or later, you can find out which file system you’re using:
- Insert the media into the SD card slot.
- Choose Apple menu > About This Mac.
- Click System Report.
- In the Hardware section, click Card Reader, and find the File System field.
Will the SD card slot work with SD cards that use the exFAT file system?
Yes. Any Mac that has an SD card slot and is running OS X 10.6.5 or later can use the exFAT file system.
exFAT is also supported in Boot Camp with Windows 7, 8.1, or 10 on any Mac made in 2011 or later with an SD card slot.
How do I insert media into the SD card slot?
When you insert the card, make sure that the metal contacts face down and point toward the computer. Don’t force media into the SD card slot, as this might cause damage.
How does my Mac use the media inserted into the SD card slot?
Your computer recognizes a card inserted into the SD card slot as a USB storage device. You can mount, read from, and write to the SD card just like you can with any other USB storage device.
I put the card in the slot, but it didn’t mount. What should I do?
Remove the card and insert it again. Sometimes the SD card won’t mount properly if you put it into the slot too slowly.
When I try to write content to the card, I get a 'cannot be modified' message. How can I fix this?
You see this message when you try to edit data on an SD card that’s locked. You need to use the lock slider to unlock the card before you can edit the data.
To eject the card, drag the icon that represents the card to the Trash. After the icon disappears from the desktop, you can remove the card from the computer. Adjust the lock slider tab to unlock the card, then reinsert the card into the slot. See the manufacturer’s instructions for the location of the slider tab.
Can I use Disk Utility to reformat an SD card?
You can use Disk Utility to partition and format an SD device as FAT32 (using the MS-DOS FAT setting) or Mac OS Extended. The Mac OS Extended format can be used only on Macintosh systems. Non-Apple systems won’t recognize cards formatted to Mac OS Extended.
You might have to format a card that’s larger than 32GB with exFAT if you want to use it with a digital camera, GPS, or another device. When in doubt, format the card in the device that you intend to use it with.
Can I install macOS on an SD storage device and use it as a startup volume?
Use Disk Utility to change the default partition table to GUID. Then format the card to use the Mac OS Extended file format.
How do I remove a card from the SD card slot?
Before you remove the card, allow any data transfer to SD media to complete. To eject the card, drag the icon that represents the card to the Trash. After the icon disappears from your desktop, you can remove the card from the slot.
Don't remove a card while your Mac is sleeping, as this could lead to data loss. Always wake your computer and eject the SD card before removing it from your Mac.
Can I use Secure Digital Input Output (SDIO) cards?
Can I use macOS to see the specifications for the interface hardware and media inserted in the SD card slot?
You can get information about the interface hardware and the media that you inserted in the slot from the System Information:
- Choose Apple menu > About This Mac.
- Click System Report.
- In the Hardware section of System Information, select USB.
- In the list of USB devices, select Internal Memory Card Reader to access information about the interface hardware and the media inserted into the SD card slot.
Can I use the SD card slot while running Windows using Boot Camp?
The SD card slot works with Boot Camp in all supported versions of Windows. You’ll need to download and install the Windows Support Software to use the SD card slot with Windows.
Learn more about using Windows on a Mac.
Can I use an SDXC card on my Mac with Windows?
You can use an SDXC card in Windows 7, Windows 8, and Windows 10 with these Mac computers:
- MacBook Pro (Early 2011 and later)
MacBook Pro models from 2016 and later don't have a built-in SD card slot. You can use a USB-C card reader, or a combination of a USB-C to USB Adapter and a USB card reader. - MacBook Air (Mid 2011 and later)
- Mac mini (Mid 2011 and later)
Mac mini (Mid 2010) doesn't support SDXC cards. - iMac (Mid 2011 and later)
iMac (Mid 2010) doesn't support SDXC cards.
Can I use an SD, SDHC, or SDXC card to install Windows on my Mac?
No. You can’t use SD, SDHC, or SDXC cards with Boot Camp to install Windows software on Mac computers.
I have worked as English teacher for years. I have probably flipped thousands of flashcards for my students. Why? Flashcards are one of the best and simplest learning techniques. And the flipping part always looks like a game for students of any age. That also helps because game-like things work even for tired learners. And I heard from teachers of other subjects that flashcards work not just for English. Lucky modern learners can start swiping flashcards instead of flipping them!
We give you 10+ best flashcard apps.
1.Cram
Only good news about this one. Cram is available for both iPhone and Android. It has real beautiful graphics. Luckily that does not make it heavy on your phone memory. This app allows you to connect to the website, which is a huge resource. It is one of the best features of this app as it allows you to search through the huge library of flashcards submitted by other users. If your specific cards are not available, no worries – you can make your own stack of cards.
Fast sign up. To use the app, sign up for a new account. It is even easier via your Facebook, Twitter, or Google+ accounts. Once you get in, the user interface is easy to navigate. You have the option to search the flashcard library, create new flashcards, view recently studied cards, and sort through your favorite cards.
Simple flashcard creation. Tap on the add button, then set the title, subject, and description of the set. You can choose to make the set of cards private or public. After creating the set, you work on the individual cards. Cram requires a minimum of three cards per set. Each card has a front, hint and rear side with the option to add photos and descriptions. This is great because many flashcard apps do not have a photo option.
Using the cards is just as easy. There are three modes: memorize and cram. Regular Flashcard mode is flipping flashcards. In Memorize mode, the user goes through each flashcard one time until they run out. At the end, the app provides a performance report. In cram mode, the user goes through each flash card until they get every single one correct. Once all cards are correctly answered, the user is permitted to move to the next level.
back to menu ↑2. Quizlet
Quizlet is another fantastic app made for both Android and iPhone. It is intuitive and has a very clean user interface. As with Cram, the Quizlet app connects to the website which essentially provides the same options as the phone app version.
Functional design. One of the first things that are noticeable is the balance between functionality and design. Simple graphics combined with natural usability. Some flashcard apps can be complicated with graphics that are too crowded and difficult to understand. Quizlet’s design turns studying into a game. Just the way I like it.
Simple flashcard creation. When the student opens the app, they see a list of previous flashcard sets they created. Each set can be categorized by subject, e.g. math, English, or Physics. To add a new flashcard set, tap on the button at the lower left corner. From there, the user enters the “Term”, or the hint. Next, the user enters the “Definition”, or the answer.
The only disadvantage of this app is that it’s difficult to delete the set after the user is finished using it. It appears that the only way to delete a flashcard set is to log into the website app and delete using the tools given for the flashcard set.
Three Modes of Studying. Quizlet offers three modes of studying. These three options keep the students interested.
The first is Flashcards. In this mode, the user goes through the flashcards one by one at his own pace. Quizlet provides an awesome option that allows users to hear the flashcard being read to them via an audio button on the top left corner of each flashcard. In this mode, students can also flip the cards so that the answers show. This is a great way to reinforce information after it is learned.
The second mode is Learn. In this mode, the answer is shown and the user types in the answer. If the user gets the answer correct, the app moves on. If not, the app requires the user to type in the correct answer before moving on. This extra step shows the care put into the app.
The third mode is Match. This mode is modeled after the classic match game. In this mode, all the flashcards are laid out and the user taps the pairs of hint and answer cards that belong together. This mode makes studying fun even more and takes it to another level by using a timer. The user is motivated to improve time, thus further helping the student learn.
back to menu ↑3. StudyBlue
Of the first 3 apps, StudyBlue Flashcards & Quizzes offers the most options when it comes to study modes. The user interface is easy to use and functional, although less intuitive as the other two. Additionally, this app requires mobile internet, which will eat at your data plan a little. You sacrifice a little usability for a number of functions. That trade-off isn’t too bad.
Website sharing. Like the other two apps, StudyBlue also has a web version. It contains a whole host of communal flashcards which is fantastic for students. Other users’ flashcards are yours to learn. Of course, you are able to create your own custom flashcards as well.
Custom Flashcards with Options. StudyBlue allows students to input hints and answers using text, photographs, or recorded audio. This opens up the possibilities and helps students ingrain concepts and ideas into their memories via multiple senses. In addition, StudyBlue also allows for rich-text editing, letting users add bold, italics, underline, diverse text color, and add subscripts and superscripts.
Multiple Option Study Modes. One of the best features of StudyBlue is the customizable experience. There are three study modes: Flip Cards, Take Quiz, and Review Sheet. Within each of these, users are able to choose the number of cards, their order (hard to easy, random, in order), submission type (multiple choice, type the answer, true/false), among many others. This allows learners to study from different angles in order to make sure they understand.
back to menu ↑4. Chegg Flashcards
Chegg Flashcards is ancient by modern standards. It was launched in 2012, but it was updated alright. What’s interesting you can use flashcards from Quizlet already reviewed here.
With this one I allow myself to skip pleasantries and give you the list of features:
Full Feature List:
- Easily create flashcards to help you study for any subject
- Access pre-made flashcard sets: using Quizlet, find and view expert-created flash card sets for any subject: Math, Physics, Chemistry, Science, History, Accounting, English and more.
- Track your results: Swipe up across a card you get correct, and swipe down across a card that you get wrong to keep track of your score.
- See your score: Select “Try Wrong” to review the terms and concepts you got wrong the first time around.
- Skip a card: Shake your device to put a card in the back of the stack.
- Track your speed: Time display is available on the results page.
- Add photos: Attach photos to any card. Perfect for visual learners and concepts with diagrams and images.
- Easy navigation: Use a single finger and hand to navigate through cards, leaving your other hand free to flip through your book and other study materials.
Top Flash Card Categories: Business, Computer Science, Social Science, Engineering, History, English, Science, and Math.
Basically, you can call Chegg a social education platform. It works even for college students.
back to menu ↑5. AnkiDroid
AnkiDroid is probably the most customizable of the apps on this list. There are settings for the font size and color, background color, screen rotation, full-screen mode, whether or not to show scrollbars, how often to repeat certain cards, and more — pretty much any of the options you could ever possibly need. There are even fancy graphs that show you stats about your studying.
The downside of all this customizability is a kind of complicated UI. I think it would take a lot of getting used to to get the full benefit of this app. AnkiDroid delays cards you answer easily while making you repeat more frequently the cards that you struggle with. There are all kinds of settings for how exactly it does that, leaving the user the flexibility to adjust it to his needs. For late-night cramming before that test, for instance, you need to create a “custom study session” to study everything, cluttering up the app further and only complicating what should be a simple process.
One more thing worth underlining here: it works on Windows, Mac and Linux.
back to menu ↑6. StudyDroid
StudyDroid is quite simple to use. You have options for adding flashcards, syncing, and two settings menus. Clicking on the three-dot settings icon will allow you to look at the instructions cards. They explain how to move through the app, which is really quite easy. Tap a card to flip it over, swipe to move to the next card. The extent of its SRS capabilities ends at marking cards as “known” which moves them to the back of the pack. I liked this feature more than I expected to because moving a card to the back if I know it is probably what I would do in real life.
Customizability is here, but you won’t be amazed. You can change font color, size, and background color. It is very easy to use, and while not the most gorgeous app ever, it does stick to somewhat modern Android styling and certainly isn’t ugly. You won’t find any extra features here aside from syncing with StudyDroid.com, but you will find a simple, pick-up-and-use app.
Flashcards are a foundation of education. You can download the foundation on your phone now!!!