WD Red WD40EFAX 4TB 4-pack - RAID 0, 1, 5, 6, or 10

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Product information

Pros and cons

According to our internal hard drive HDD expert

This drive is specifically designed for 24/7 use in a NAS.
The variable speed (IntelliPower 5400-7200RPM) saves energy.
With the 3 hard drives, you can create a RAID 0, 1, 5, 6, or 10 setup.
Make sure your NAS has at least 4 free slots.

Description

This bundle includes 4 WD Red WD40EFAX 4TB drives. This is a 3.5-inch internal hard drive suitable for a NAS in small companies and at home. With this bundle, you provide the NAS with 16TB of storage space in RAID 0, 12TB in RAID 5, and 8TB in RAID 1, 10, and 6 setup. Thanks to the built-in anti-vibration sensors, the drive doesn't vibrate as much. This makes the drive more silent and ensures it lasts longer. This drive works faster (7200RPM) when you write a lot of data and it works slower (5400RPM) when you don't use the NAS. In addition, the drive removes the read/write head from the disk surface as soon as you stop processing files. This way, it wears less quickly and your drive is more durable. This bundle is suitable for the following RAID setups:

RAID 0: Speed is doubled, but no data security.

RAID 1: Data security is doubled, but no increase in speed.

RAID 5: One drive works as a safety net for the others, fast and secure.

RAID 6: 2 drives work as a safety net for the others, slower yet safer.

RAID 10: Combination between 0 and 1, very data secure and very fast.