How to Flash Tails OS to a 512GB SSD — Wipe, Flash & Configure Persistent Storage

Flash Tails OS to a 512GB SSD

To format a 512GB SSD for use with Tails, it is strongly recommended to use GUI tools like BalenaEtcher or Rufus to flash the official ISO.

Important: Tails is designed to be amnesic and run from removable media for security. It does not "install" in the traditional sense — you flash its image directly to the drive. Running it on a 512GB SSD provides massive persistent storage space but does not change its core amnesic nature outside the designated persistent volume.

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Step 1: Identify the Target SSD

Open a terminal in a Linux environment and run:

lsblk
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Identify your 512GB SSD — it will appear as something like /dev/nvme0n1 or /dev/sda.

Double-check the identifier before proceeding. The next steps will erase all data on this drive.

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Step 2: Wipe and Prepare the Drive

Replace /dev/sdX with your actual SSD identifier.

# Unmount the drive if it is mounted
sudo umount /dev/sdX*

# Wipe the partition table
sudo dd if=/dev/zero of=/dev/sdX bs=1M count=100
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Step 3: Flash Tails to the SSD

Option A — BalenaEtcher (Recommended)

1. Download the Tails ISO from the official site
2. Open BalenaEtcher
3. Select the Tails .img file
4. Select your SSD as the target
5. Click Flash

Option B — Command Line (dd)

# Replace 'tails-amd64-x.x.img' with your actual downloaded file path
sudo dd if=tails-amd64-x.x.img of=/dev/sdX bs=1M conv=fsync
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Wait for the command to complete — no progress bar will show unless you add status=progress:

sudo dd if=tails-amd64-x.x.img of=/dev/sdX bs=1M conv=fsync status=progress
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Step 4: Boot and Configure Persistent Storage

1. Restart your computer and boot from the SSD (press F12, F11, or Esc at startup to select the boot device)
2. Tails will load into a live session — nothing is saved by default
3. To save files and settings across reboots, go to:

Applications → Tails → Configure persistent volume
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4. Set a strong passphrase and choose what to persist (files, browser bookmarks, additional software, etc.)
5. Reboot and unlock persistent storage at the Tails greeter screen

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What Persistent Storage Gives You on a 512GB SSD

Feature	Without Persistent Storage	With Persistent Storage
Files saved	No	Yes (in encrypted volume)
Settings saved	No	Yes
Installed packages	No	Yes (if configured)
Amnesic by default	Yes	Yes (outside the persistent volume)

A 512GB SSD gives you an unusually large persistent volume — most Tails users run on 16–64GB drives. The extra space is useful for storing large encrypted files, Electrum wallets, or offline research archives.

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Quick Reference

Task	Command
List drives	lsblk
Wipe drive	sudo dd if=/dev/zero of=/dev/sdX bs=1M count=100
Flash Tails image	sudo dd if=tails.img of=/dev/sdX bs=1M conv=fsync status=progress
Unmount first	sudo umount /dev/sdX*