WD Red Plus
4 TB, 3.5", CMR
WD Red Plus
4 TB, 3.5", CMR
This is completely normal. This can be explained by the way an HDD works, because the read/write head of the HDD has to "jump" to reach the corresponding sectors. So if you "read" or "write" different things at the same time, the head will have to jump back and forth faster or more often. Defragmenting helps if the sectors of a file are not in a row ... then the clacking may become quieter. But the
It depends.
If one disk is defective, you can replace that one.
If you want to increase the size of the raid, you have to replace all 4.
The WD Red (Plus) is simply optimised for NAS. But you can also use it on a normal PC without any problems.
Hoi - The hard disk supports any file system (be it SMB, AFP, EXT1234x, ZFS etc etc) - the NAS specifies which file system is (or can be) written. The NAS has - like any other system, e.g. like your PC or your MAC - an operating system installed (otherwise we could hardly communicate here together in text messages) and this operating system can read file systems...
A NAS does nothing else, but then
This ending in the model designation "...EFZX" shows that this is a CMR hard disk.
SMR has the suffix "...EFRX".