Portable or desk top ?? £100 is a little bit over priced for a 4TB one as they can be had for around the £80 mark. The one i got form Amazon is now £104 but head on over to hotukdeals.com and have a look or search and there will be some available that will what you are after
The first part is true. Which is why backing up in RAID would be better than multiple backups (in the same location).
Multiple backups are best done if they are off site. A RAID system will protect you from a disk failure (depending on configuration), off-site back up will protect against fire/natural disasters.
As with everything, the biggest factor is what are you willing to spend? RAID can be a bit costly (you need a RAID drive, plus at least 4 HDD/SSDs to make it worthwhile).
The cheapest home option would be as mentioned above, to simply have 2 external drives, but then you won't be protected from a fire if they are both in the same location (but what are the chance of that realistically?)
I tend to be a belt and braces guy so always have 3 versions of important docs - PC internal drive, external USB 3 HDD and I also use M$ OneDrive to back-up important folders.
Back to your original question, I have a WD Passport Drive, 2TB. It's quite fast and been very reliable for the last 18 months or so. I got mine from Amazon for about £95. I tend to back-up to it every two weeks and use OneDrive as my real-time backup drive.
I wouldn't use OneDrive as the critical backup, as it isn't actually a backup service, if you delete or change files it will sync that, it will show history of the file but it's not multiple versions or if you get a hijacker virus it will encrypt the OneDrive folder too and possibly sync and overwrite the cloud stored files although Microsoft do have protection on the server side but no guarantee,
also don't leave USB drives connected hijackers will encrypt those too,
WD drives do tend to be the most reliable mechanical drive,
RAID is not backup solution - remember that mantra. It is for redundancy only.
I have a 2 bay NAS - it only for photos, docs, vids and music. I don't use RAID to give me more space. I backup important things between the NAS drives. Then stuff I am bothered about is backed up externally to another room in the house. Critical stuff is then off-site.
Work out a back up philosophy, plan it and get organised. Just think of the worst case scenario. Say if your hose were to burn down, what would you lose if so.
RAID is not backup solution - remember that mantra. It is for redundancy only.
I have a 2 bay NAS - it only for photos, docs, vids and music. I don't use RAID to give me more space. I backup important things between the NAS drives. Then stuff I am bothered about is backed up externally to another room in the house. Critical stuff is then off-site.
Work out a back up philosophy, plan it and get organised. Just think of the worst case scenario. Say if your hose were to burn down, what would you lose if so.
I've been involved building PCs for years in Jobs and my own business. The only brand I would trust and use is Western Digital. Given everybody I know the least trouble over the years.
This looks a great deal, I use these guys a lot too.
It'll come pre-formatted to NTFS file system, plug it in and use it straight away :thumb:
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