RAID using WD Velocity Raptor HD's: in Hard Disk Drives (HDD) Posted November 8, 2018 · Report reply On 4/13/2017 at 2:46 PM, JaredDM said: All HDDs and all SSDs can be used in RAID. The only reason some drives are "recommended" for RAID when others aren't recommended has to do with their ability to handle vibration. They assume you'll be putting a bunch of them into an enclosure or rack together where the vibration might build up. That and you should never use Green drives in a RAID as the power saving functions can cause chaos. For a two drive array vibration is really a moot point. There's no reason not to use a couple Velociraptors in RAID, but unless you use an actual hardware controller there's also not going to be much benefit. Honestly you'd be 100x better off just investing the money into a good SSD. As to doing a RAID of SSDs you're unlikely to see much benefit to a RAID 0 or RAID 5 as far as speed is concerned. Most likely the extra latency the controller would negate any benefit of the RAID. It might even end up slower than a single SSD in some cases. RAID 1 is good for redundancy in case one fails (however you still need a backup in case of logical corruption), so if uptime is important you might consider that. JaredDM: Western Digital (WD) tech support told me the timing circuits within the Velocity HD's are not suited for RAID because one will drop out and require rebuilding the array due to one being out of time with the other. That is the explaination they provided. They said only their RED Label WD HDD's are RAID Certified and only they are accurate timing circuit wise to work in harmony together for RAID. To answer another members question, the RAID is supported by the AMD 990FX Chipset on the Gigabyte Motherboard. I would have quite a time finding another one of these boards since everyone is out of stock of this motherboard. Since there is problems should a motherboard fail because the Chipset is tied to the RAID functionality, they you are saying if I ever do consider RAID, I should use one of those RAID Controller Boards that insert into one of the slots on the motherboard, just in case I should suffer a MB failure. I take it your implying, should I suffer a MB failure and I have an external RAID Card that can be removed from the MB and inserted into a different MB with a different chipset, then I would not lose my RAID Array and the information on the HDD's, and I would be able to use the RAID Controller Card and the RAID Configured HDD's in a new MB?