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These drives are loud. Decent price/size/performance ratio. But you'll know when data is being written to it. I have 3 of them to replace old Seagate 3TB drives, which I never heard spinning up/seeking. I can't find a tool on Toshiba's website to adjust acoustic levels, or they make it incredibly hard to find.
I bought this external HDD to back up files while transitioning from one cloud provider to another. It took me MONTHS to get all my cloud data onto this HDD because it copies so very, very, very slowly. Worse, now that I'm using it for local storage, it's so slow to get files onto it that often I just don't bother with home backups, defeating the purpose of the extra precaution. Even with the decent specs relative to many other HDD's out there, this HDD is impractical. I won't buy another HDD. Cloud storage and super-fast SSD's from now on. I'm disappointed that over the eons since I was in school, file transfers can still be so slow they're impractical to work with.
The first one I used as the system drive - and half the time the BIOS would not even see the drive. Returned it for another and this time I used it as a secondary drive. Same issue. Works well when the BIOS sees it, but I can boot up to my primary drive now and at some point during the day there is a chance it will simply not be there any longer. I can reboot and it may or may not return. It is not overheating. I can run a chkdsk with no errors. I can plug it into a SATA to USB adapter and the drive will appear, hook it back up to a SATA port and it may or may not show up in BIOS. Something is very wrong here to get two with identical issues. Plugged into a Dell Optiplex 9020 tower.