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Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.
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Only way you can try to do it is andyalder's option but first make sure you have full backup of all volumes build on this Raid.
If firmware of 2 controllers are different, maybe you new controller will not be able to read Raid configuration from disks. So in that case you must create new Raid manually and restore server using disaster recovery.
You can create bare metal backup using Windows server backup if you have Windows 2012 or newer or use some other software like Symantec Backup Exec or AOMEI Backupper Server Edition etc.