![]() ![]() This factor has nothing to do with the hard drive failure, but it will affect hard drive lifespan. Load/Unload Cycles: It refers to the number of times the head moves in/out of the hard disk when powered on.Otherwise, the drive is most likely to fail. Workload: It shows the NAS hard drive will have low failure rate if the drive reads and writes below a certain amount of data per year.MTBF can reflect the relative reliability of a series of products and disk array products generally have an MTBF of no less than 50,000 hours. MTBF: It is short for Mean Time Between Failure and refers to the average working time between two adjacent failures.When you purchase a NAS drive, you should take the following factors into consideration: It should have the ability of running 24 hours a day, 7 times a day. In addition, for enterprise-level NAS drive, the requirements should be much higher. NAS hard drives are usually used in RAID and the data in the NAS drive is read relatively frequently. ![]() In general, NAS hard drives with the same capacity are much more expensive than desktop hard drives, because NAS drives will adopt some unique designs, for example, NAS hard drives are heat-resistant and vibration-resistant, and can be read and written continuously for several weeks. NAS hard drives are hard drives designed specifically for NAS.
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