Choose a separate backup that you can restore, rather than relying only on a synced folder or a copy on the original device. An external hard drive offers a straightforward local destination; a portable SSD suits frequent transfers, a NAS suits a household prepared to manage shared storage, and managed cloud backup provides an off-site route. For files you cannot replace, keep both a local and an independent off-site copy, then test that you can recover them.
Who is this for?
Households with a large library on one computer
If thousands of photos, videos and documents are stored locally, you need a separate copy that remains accessible when the computer fails. A local drive can provide a way to restore files without depending on an internet connection for every transfer.
Families managing files across devices
When files are spread across computers, phones and photo services, the challenge is gathering them into a repeatable backup routine and knowing how to recover them later.
Households concerned about losing every copy
If loss or damage at home could affect both a computer and its backup drive, an independent off-site copy matters. Account access also needs attention when files are held by a photo or backup service.
What matters when choosing a backup?
Decide where a recoverable copy will live before comparing capacity, transfer connections or shared access. The National Cyber Security Centre describes a backup as a copy of important data stored in a separate safe location; a drive or service is useful only if your files reach it and can be restored.
| Concern |
What to check |
Who this matters to |
| Independent recovery |
Check whether you can restore files after deletion or device failure, and whether the backup retains earlier versions. |
If I accidentally delete a folder, I need a copy that does not disappear with it; around 33% of consumers would put independent recovery first. |
| Off-site protection |
Check where the additional copy is kept and how its backups, account access and restores work. |
I do not want one incident at home to affect every copy of our photos; roughly 27% of consumers would make off-site protection their primary concern. |
| Practical transfers |
Measure the archive before choosing capacity, then check the computer port, cable and conditions behind any stated speed. |
When I move or update a large library, I need copying and recovery to fit my routine; about 20% of consumers would prioritise practical, portable transfers. |
| Files across devices |
List the computers and photo services involved; check device support and how original files can be exported and restored. |
Our files sit in several places, so I need one manageable way to gather and protect them; around 20% of consumers would put a shared archive first. |
Backup mistakes to avoid
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Assuming sync is an independent backup
Sync keeps locations aligned, which can also propagate unwanted changes. Microsoft Support says deleting a synced online-only file removes it from devices and the cloud.
Before reorganising files, check whether the destination is a synced folder or a separate, restorable backup. Check its version-history and deletion rules.
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Keeping the only backup beside the computer
A separate drive gives you another copy, but a loss or damage event at home could affect both devices. Synology's backup guidance calls for an off-site copy as part of a multi-copy approach.
Keep an independent copy away from the home device for irreplaceable files, and periodically restore a sample to make sure the copy is usable.
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Choosing an SSD by its headline speed alone
Samsung says the T7 Shield's stated maximum speeds require a compatible USB 3.2 Gen 2 host and cable with UASP enabled. A speed figure does not establish how long your complete backup will take.
Check your computer's port, the cable and any adapter you will use before deciding whether that transfer specification matters to you.
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Assuming cloud-held photos are already a local backup
Downloading a large photo library takes a separate step. Google Photos Help notes that changes made after an export request may not appear in its archive; Amazon Customer Service says its browser download does not download entire albums as albums.
Try a small download first, inspect the files and their organisation, then check the completed local copy before moving or deleting originals.
Relevant brands and services
Seagate
Its Basic portable hard-drive range illustrates a simple USB-connected destination for a substantial local archive.
- Seagate lists Basic drives in capacities up to 5TB with USB 3.0 connectivity.
- Check your computer's compatibility and keep another copy elsewhere if a local incident could affect the drive.
Samsung
Its portable SSD range is relevant when the archive will be carried or updated through frequent transfers.
- Samsung specifies T7 Shield sequential speeds of up to 1,050MB/s read and 1,000MB/s write with the required USB 3.2 Gen 2 host, cable and UASP support.
- Those maximum rates are conditional; a portable drive alone is not an off-site copy.
Synology
Its NAS guidance is relevant to households willing to configure shared storage and a separate backup destination.
- Synology describes local multi-version copies as one way to support recovery from a NAS.
- Synology also warns that RAID crashes and drive failures can cause data loss; NAS storage still needs an independent backup.
Backblaze
Its personal service is a managed cloud-backup route for a Mac or Windows computer.
- Backblaze describes automatic computer backup and says connected USB or FireWire external drives can be included.
- Check the current device, external-drive, retention and restore conditions against your household's files before subscribing.
IDrive
Its personal cloud-backup service is relevant when files need to be managed across multiple household devices.
- IDrive's UK service describes scheduled backups from multiple computers and mobile devices, with web restore access.
- Check the storage allowance, covered devices, retention and what happens if you use and then lose a private encryption key.
Portable SSDs for local copies
These portable SSDs are local destinations for copying household photos and documents. Choose a capacity that fits the files you intend to protect, check connections with your devices, and keep a separate off-site copy if losing the drive and computer together is a concern.
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Samsung MU-PE1T0S 1TB portable SSD, black
A portable local destination for an archive that fits within 1TB.
The name specifies USB Type-C 3.2 Gen 2. Samsung's T7 Shield information for this model gives maximum sequential speeds of 1,050MB/s read and 1,000MB/s write when the host, cable and UASP meet its requirements.
Check the size of your archive and how you will retain restorable versions; the drive alone does not provide an off-site copy.
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Samsung Portable SSD T7 2 TB, grey
A 2 TB local destination to consider if your archive needs that capacity.
The product name specifies USB Type-C 3.2 Gen 2. Check the connections on the devices you will use and whether your backup routine retains earlier file versions.
Keep another independent copy if the drive and computer could be affected by the same incident.
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Samsung Portable SSD T7 1 TB, blue
A portable local copy option when the files you intend to back up fit within 1 TB.
The product name specifies USB Type-C 3.2 Gen 2. Confirm the connection required by your devices and arrange a backup routine that lets you restore files after an unwanted change.
One local drive does not also provide off-site protection.
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SanDisk Portable SSD 2TB
A portable 2TB local destination for files you want to copy away from the original device.
Compare that capacity with the space already used by your photos, videos and documents, including any files you plan to export from a photo service.
Check device connections and your restore routine, and keep a separate copy for incidents affecting the local drive.
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Lexar ES4 Portable SSD with Magnetic Set, 1TB
A 1TB local copy option to consider when transferring files between compatible devices, including the iPhone 15/16 setup named for this variant.
The product name specifies USB 3.2 Gen 2 and speeds of up to 1,050MB/s read and 1,000MB/s write; treat those as stated maximums, not a promised backup time. Check the magnetic attachment requirements for your particular phone and accessories.
Confirm that 1TB fits the archive and keep another copy away from the drive.
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Common questions
Is a synced cloud folder enough to back up family photos?
Not on its own if changes or deletions can reach every copy you rely on. Microsoft Support says deleting a synced online-only file removes it from devices and the cloud; check version-history and restore rules, and keep a separate restorable copy.
How much capacity should an external backup drive have?
Start with the space actually used by everything you plan to copy, then allow room for new files and any temporary photo-service exports. Photo counts alone are a poor sizing check when the library also contains videos or duplicate archives.
Can I copy Google Photos, Amazon Photos or iCloud photos to a drive?
Yes, but the download steps differ by service. Google Photos Help describes creating an export through Google Takeout and notes that later changes may not be included; Amazon Customer Service describes selecting files for browser download rather than downloading entire albums as albums. Apple Support describes downloading photos to a Mac and choosing an external storage location. Check a sample of the resulting files before treating the drive as your recoverable copy.
Does a NAS with RAID replace an off-site backup?
No. A NAS can serve as shared local storage, but Synology warns that RAID crashes and drive failures can still cause data loss. Keep another independent copy, off-site if an incident at home could affect the files you cannot replace.