Using Samsung 840 EVO SSDs in Hardware or Software RAID?

I’ve done a lot of research but can find no definitive answer, so I’m hoping to get some advice from SSD experts:

I have two 1TB Samsung 840 EVO SSDs and two 1TB Samsung 840 EVO mSATA SSDs (a lot of storage, I know) in my Sager 8258-S (Clevo P157SM-A). I am running my OS, apps, and games off one SSD and I would like to combine the other three to make one large drive (I do have a backup solution to cover this) to store my massive file library. I’m only torn on what method to use:

1. Is it best to go the hardware route utilizing RAID 0 in the BIOS/UEFI?

2. Or should I combine the SSDs in software RAID using MS Storage Spaces/Disk Management (I’m using Win 8.1 Pro)?

Really what I’m looking for at the end of the day is having the convenience of my files in one place meet the performance and reliability of the SSDs (RAPID mode for the OS SSD, TRIM support, etc).
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  1. Best answer
    Other than a single drive letter, RAID 0 provides no benefit with SSD's, and brings significant detriments.

    Is there any reason you can't just use 1 for the OS and applications, and put the movies, etc on the other drives? If you redirect where the Libraries save to, it is pretty transparent, no matter how many actual drives.

    Movies saves to this one, Music saves to that one, etc...
    You, the user, just see 'Music'
  2. I don't think you should RAID your SSDs considering they are already pretty fast. Although you can if you want.
    Remember that using RAID 0 will increase your chance of getting a disk failure
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