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USB storage support

The Packet Squirrel supports USB storage formatted with ext4, exfat, fat32, or NTFS filesystems.

USB storage devices should be attached to the USB-A port on the right-hand side of the Packet Squirrel.

Most USB drives ship pre-formatted with fat32 or exfat. To use these drives, typically no extra action is needed.

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What filesystem to pick?

Often it won't matter what filesystem you pick, however there are some general guidelines:

  • ext4 is often the fastest filesystem, as it is native to Linux. You can format a USB drive as ext4 with a Linux system or Linux in a VM, but most other operating systems won't be able to use an ext4 drive directly.

  • fat32 is an older filesystem type and is limited to 4GB per file and 2TB disks.

  • exfat is widely compatible, but slow.

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Encryption

The Packet Squirrel also supports encrypted storage for increased protection of data at rest.

USB encryption requires extra setup steps and payload configurations; to find out more about encrypting USB storage, see the USB encryption page for advanced payloads.

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