What happens when a raid card fails?

So I currently own and use an HP Z400 with 2 250GB HDD’s in raid 1, as well as 1 160GB HDD for the boot drive. If, for example, my whole computer died and the motherboard was completely dead, what happens to all of the data? Is all the data gone, or can I still read it via another computer? Is it very difficult to retrieve? I can’t find anything on it online.

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Raid 1 is a mirror not a stripe so you should be able to read both drives with no problems. The data on both is identical.
If it was a stripe (raid 0) you would be in a world of hurt.

So, I could technically pull one of the drives out of the PC (that is in the raid 1 array) and place it into a Windows machine, and I will be able to read the data with no worries?

fixed it

I say that, bc if its your os boot drive windows will bitch big time. If its just your storage drive then no worries.

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Well I did not know that it was that easy. Thanks!