How should you choose a backup route?
Start with what must be restored and on which device, then check capacity, compatibility and how the copy will stay separate from the original.
| Priority | What to check | Your needs |
| Cloud recovery |
Check which photos, files and device data are copied automatically; which account owns them; and how a replacement device restores them. Check deletion and version-history limits separately from sync. |
I want copies to update without remembering to connect a drive, and I need to know how I would regain access after replacing a phone. |
| Local archive |
Measure the selected files and allow for additions. For an external hard drive, check the computer backup workflow, drive format and when the drive must be connected. |
A large photo and video library needs a local copy that I can keep separate from the computer between backups. |
| Frequent transfers |
For an external SSD, check capacity, ports, cable and device support. Samsung says the T7 reaches its stated maximum speeds only with USB 3.2 Gen 2, a compatible cable and UASP. |
I regularly move selected videos or photos between devices, so the connection on my actual phone or computer matters more than a drive’s headline speed. |
| Selected-file copy |
Check whether a USB flash drive holds the chosen documents and whether you have a repeatable way to update and restore them. Keep another copy elsewhere. |
I only need to carry a small, deliberate set of files, not use the stick as the sole archive for every device. |
| Separate copies |
Check that cloud backup covers the chosen files, then plan periodic copies to removable media and disconnect it afterwards. The National Cyber Security Centre has reported incidents affecting connected USB and network backup drives. |
Some family files would be difficult to replace, so I want a convenient cloud copy and another copy that is not permanently connected. |
| Access and protection |
Check account recovery, supported encryption and where recovery keys will be kept. Microsoft says BitLocker Drive Encryption is unavailable on Windows Home; test that you can restore a file before relying on an encrypted drive. |
Sensitive documents may leave the house on a drive, but someone authorised must still be able to unlock and restore the backup. |
Joybuy removable-storage options
These external SSDs and hard drive are options for keeping a local copy of selected family files. Choose one only after checking capacity and your devices’ copy-and-restore workflow; a drive does not replace the cloud part of a combined plan.
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Samsung Portable SSD T7 4 TB, grey
The listed 4 TB capacity suits a sizeable selected local archive if your measured files fit. The listing specifies USB 3.2 Gen 2 and USB-C-to-C and USB-C-to-A cables; check your devices’ connections and how you will copy and restore files.
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Samsung MU-PE1T0S 1 TB portable SSD, black
This 1 TB external SSD is an option for a selected removable copy that fits within its capacity. Its listing names Mac, PC and Android use and specifies USB 3.2 Gen 2; confirm the cable, device connection and restore process for your setup.
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Western Digital My Passport Ultra for Mac 5 TB, silver
This portable hard drive offers 5 TB for a local archive or computer backup. The listing specifies macOS 11+ compatibility, USB-C-to-C and USB-C-to-A connection options, and a downloadable HFS+ driver for Windows use; confirm the driver, format and restore workflow before sharing it between systems.
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Lexar ES4 Magnetic Set 2 TB portable SSD
The listed 2 TB SSD is an option for selected files moved between compatible phones and computers. Its magnetic attachment is described for iPhone 15/16 series with the stated case or ring conditions; check your exact device, cable, formatting and restore workflow. Confirm how its encryption works before relying on it for sensitive files.
Joybuy
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SanDisk Portable SSD 2 TB
This 2 TB external SSD can hold a selected local copy if the files fit. The listing states a read speed of up to 800 MB/s; check its exact connector, compatibility with your devices and the steps needed to restore your files.
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Backup questions
Is cloud sync automatically a separate backup?
No: check whether the service keeps a restorable copy after deletion or unwanted changes, and for how long. Microsoft says OneDrive Restore can undo actions from the last 30 days for eligible Microsoft 365 subscribers, but permanently deleted OneDrive Recycle Bin files cannot be recovered.
How much storage should a family choose?
Measure the folders, phone libraries and device backups you intend to protect, then allow for files you expect to add. Check what shares a cloud allowance and whether any individual files exceed the provider’s limits; a universal capacity multiplier will not describe your chosen set.
Can one drive serve both a Windows PC and a Mac?
It may work for ordinary file transfers, but check the intended backup software and drive format before using it for both. Apple says a Windows-formatted disk may need reformatting for Time Machine, permanently erasing its contents, and identifies APFS or APFS Encrypted as preferred formats for a Time Machine disk.
Should a removable backup drive be encrypted?
Consider encryption when the drive holds sensitive files or leaves home, while planning how authorised family members will unlock it. The Information Commissioner’s Office describes encryption as protection against unauthorised access to stored personal information; Microsoft says BitLocker Drive Encryption is not available on Windows Home and that a lost BitLocker recovery key cannot be recreated by its support service.
Should an external backup drive stay connected?
Connect it for planned backups and restore checks, then disconnect it if it is intended to remain a separate offline copy. The National Cyber Security Centre has reported ransomware incidents affecting connected USB and network backup drives.