Btrfs RAID vs. Linux Software RAID Benchmarks On Linux 4.7 Written by Michael Larabel in Storage on 15 August 2016 at 04:00 PM EDT. Page 1 of 3. 18 Comments. Earlier this month I carried out some 4-disk Btrfs RAID benchmarks using four SATA 3.0 SSDs. Those tests were done using the Btrfs built-in RAID capabilities while today are some comparison tests against those numbers when using the Linux Sof