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Barnes & Noble NOOK HD User Guide 107
Using a microSD Memory Card
You can install a microSD memory card in your NOOK to add up to 64 GB of memory to your NOOK—enough for
many thousand more books, along with periodicals, music, and personal files.
microSD memory cards hold about 1,000 books per gigabyte. The number of periodicals you can store on card
depends on the size of the periodicals and the amount of storage on the card. Digital magazines and newspapers vary
dramatically in size. Some highly interactive, photo-rich magazines can reach 1 GB each.
NOTE: Books, periodicals, and other files stored on a microSD memory card appear in the My Files section of
your Library.
Types of Memory Cards Supported
Your NOOK works with three types of SD memory cards: a microSD™ card, a microSDHC™ card, and a
microSDXC card. microSD and microSDHC cards have the following logos:
Your NOOK supports cards with the following specifications:
• A microSDHC card with a storage capacity of up to 32 GB.
• Class 6 microSDHC cards are supported. Class 6 is faster than class 4, which is faster than class 2. The
class should be mentioned on the packaging for the microSDHC card and printed on the card itself.
If no speed is indicated, the card is a class 2 card. The speed of the card does not aect page display
speeds. It can aect read and write speeds when transferring books, periodicals, and personal files to
and from the SD card.
• If a card has been formatted with a FAT32 file system on a device other than a NOOK HD or NOOK
HD+, your NOOK supports files as long as they are less than 4 GB.
• A microSDXC card with a storage capacity of up to 64 GB.
• On microSDXC cards, your NOOK supports the exFAT file system and can store files of any size up to
the storage limit of the card.
• The UHS speed for microSDXC cards is not supported.
When your NOOK formats a microSD card, it uses the exFAT file system, which supports unlimited file sizes. NOOK
HD and NOOK HD+ eReaders can read exFAT memory cards, but other NOOK eReaders can read only memory
cards formatted with the FAT32 file system.
Viewing Memory Card Content
If you have installed a memory card in your NOOK, the My Files section of your Library displays two tabs:
• Device
• SD Card
Select the SD Card tab to see the content stored on the card.
If you do not see these tabs, a memory card is not installed in your NOOK. You will see only the My Files content
that is stored in the main storage area of your NOOK.