Accessing the drivesĪlthough I imagine that most users who purchase the OWC Accelsior with preinstalled flash storage will simply want to install the drive and start using it, it should be noted that it’s possible to open the unit to access the flash media inside. For that reason, I encourage you not to use a RAID 0 setup for storing irreplaceable data, and always make backups. Although flash storage failure is much less likely than it is on traditional spinning mechanical hard drives, it still remains a possibility. Obviously RAID 0 comes with one big caveat, and that’s the fact that if one drive fails, the entire array, and all of your data, will be lost. With all of that being said, users who purchase the Accelsior, especially the smaller storage configurations, will probably want to stick with RAID 0, as it provides the greatest amount of storage at the best performance. While Apple RAID Assistant is limited in the type of RAID configurations possible, SoftRAID, which OWC provides a free license for upon purchase of the Accelsior, allows for a wider range of RAID configurations, such as RAID 5. Users have the option of configuring the OWC Accelsior 4M2 via SoftRAID (preferable) or via the built-in Apple RAID Assistant. The 4TB is not a single unit of flash storage, but it’s actually comprised of four 1TB M.2 SSDs in a RAID 0 configuration. OWC provided me with a 4TB unit with a total of 3.84TB of usable storage space. ![]()
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