XDA Developers on MSN

Don’t trust RAID 5 with your 20TB drives; use RAIDZ-2 instead

Unfortunately for RAID 5, there are some controllers and available guides that default to this RAID type, regardless of drive ...
How-To Geek on MSN

Please stop trusting RAID 5 for your home NAS

As useful as a NAS can be, it's also hardware that's really expensive to set up—a good NAS with several terabytes of storage ...