Can I use different hard drives for RAID?

Must hard drives in a RAID array be identical? No. It is perfectly valid to use hard drives from different manufacturers, model numbers, sizes, and rotational speed (spindle speed or RPM).

Can you RAID two different hard drives?

You can run different size and speed drives in a RAID configuration. However, the performance will be limited to the smallest and slowest drive. RAID = Redundant Array of Inexpensive Drives.

Do all hard drives support RAID?

The vast majority of motherboards sold today have built-in support for RAID. … Keep in mind though, that even on the off chance your motherboard doesn’t have built-in RAID support, software RAID is still most likely possibly, provided the board has a couple of open SATA ports to connect additional drives.

Can you RAID 1 with different size drives?

If different sized hard drives must be used, the total capacity will be bound by the disk of the smallest size in the group. … In a RAID 1 configuration, the size of target disk must be greater or equal to the one of the source disk.

Do RAID 5 drives need to be identical?

Do all drives have to be the same model and capacity for a RAID 5 array? The short answer is No, the drives don’t have to be exactly the same. The longer explanation is that for compatibility reasons, we usually recommend using the same model.

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Do all drives have to be the same for RAID?

Must hard drives in a RAID array be identical? No. It is perfectly valid to use hard drives from different manufacturers, model numbers, sizes, and rotational speed (spindle speed or RPM).

Is using RAID worth it?

RAID is extremely useful if uptime and availability are important to you or your business. Backups will help insure you from a catastrophic data loss. But, restoring large amounts of data, like when you experience a drive failure, can take many hours to perform.

Can RAID 5 drives be different sizes?

You can use RAID 5 with different sized disks physically, but within the RAID features they all have to be identicle. What would happen in your case if you configured a RAID5 with all 6 disks, is that the RAID would use 6 x 2TB leaving the four 4TB drives with 2TB of free space.

Can you RAID 10 with different size drives?

You can however use the excess space in another array, if the excess space is the same size or larger as the additional array. So in short, yes, you are correct: Only half the space on the 2TB disks will be used.

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