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For office computers, workstations, etc., the Samsung SSDs are excellent. Which you decide to use is up to you. For me the decision is cost vs. reliability, what the drives are being used for, etc. For a SAN that is feeding an entire facility and being used by everyone I choose to go enterprise class. For my laptop, home computer, office servers that are not storing Terabytes of data I used the Samsung SSDs. If the server was mission critical, ex., domaine server, exchange server, etc., we set up 2 drives to act as mirrors so if 1 failed the server would fall over to the other drive. The reason is RAID 5 takes too long to regenerate the data on a new drive and the cost is higher than mirrors. The net net is that any system can be designed to be fault tollerent; you need to know what the system is designed to do (ex., how much total storage, how fast does it need to deliver data to a client, how many clients on the system, how long to recover, etc.) how much you want to spend, and the minimum recovery time, etc.
Bottom line, if you need this type of drive the price is not bad.
If I use my laptop all my data is stored on a USB jump drive. When I'm done I just move the USB jump drive to my home PC and it automatically makes 4 backups as described above. I also clone the USB jump drive onto another USB jump drive.
Am I parinoid about loosing data??? YES! But the backup system described above is very quick, does not use up a lot of computer resources, and I end up with 4 backups that I can plug into another computer and be back in business in a few minutes. In the 15+ years of using this backup system I have never lost any data, although I have had several HDs fail. In fact, on several occasions I have recovered files that my wife accidentally deleted from the system data drives. Note: I am also concerned about ransomware so I have another USB HD and every week or two I make a mirror backup of the main backup drive and never leave this drive connected to the system. Ransomware cannot get around this airgap, and I installed a "write protect" switch on this offline backup drive to add another layer of protection.
You could also set up two RAID 5 arrays, and have 1 RAID array setup to mirror the other. This is kind of expensive as you need 2X the number of drives and there is a lot of system overhead to maintain the RAIDS and the mirror, and of course the time to rebuild the RAIDs if a drive fails and needs to be replaced.
In designing a backup system I am looking for fault tollerence of the system as I know that individual components might fail, low system overhead, ease of use, and a low total cost of the system.
Also of concern is availability of parts if something needs to be replaced. I always liked that I could go to Fry's Electronics, Best Buy, etc., and get replacement parts quickly if something breaks, as it eventually will.