Dell OptiPlex 3020–Mini Tower / Raid1

2 days in a row unable to get from Dell Tech support an answer:
which one add-on raid card will provide raid capability? Prefer to hear from somebody who had this issue solved.

Thank you.
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You don't need any addin card. Just use your OS built-in RAID functionally to give you RAID 1. That is much more reliable and also faster than most RAID controllers, Both Linux and Windows OS's have very good support for native RAID 1.
cohhelpAuthor Commented:
How  to have Raid1 in the first place if it isn't built-in in BIOS???
Mal OsborneAlpha GeekCommented:
Disk mirroring, AKA known a Raid1, is supported by most Professional versions of Windows, I am pretty sure everything from NT4 to Windows 10 can do this, with no need for RAID hardware.

What version of Windows are you running?
If you are using Windows, start Diskmanagement, then convert your disks to dynamic. You then get the option to create mirrors of your partitions. Do this for all the partitions.

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cohhelpAuthor Commented:
I see your point.

Thank U.
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