Raid-10 no SLOG Intel Xeon E5620 testing on FreeBSD via the Phoronix Test Suite. Intel Xeon E5620 - - Supermicro X8DTN 1234567890: Processor: Intel Xeon E5620 @ 2.40GHz (16 Cores), Motherboard: Supermicro X8DTN 1234567890, Memory: 32GB, Disk: 10788GB, Network: Intel PRO/1000 Legacy Connection 1.1.0 OS: FreeBSD, Kernel: 11.3-RELEASE-p5 (x86_64), Compiler: Clang 8.0.0 (SVN 356365), File-System: zfs IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better Intel Xeon E5620 - - Supermicro X8DTN 1234567890 . 3262.33 |================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better Intel Xeon E5620 - - Supermicro X8DTN 1234567890 . 806.54 |===================