RAID10_BTRFS_MDADM Intel Xeon E3-1225 v3 testing with a Dell 0VD5HY (A28 BIOS) and Intel Haswell Server 2GB on Fedora 31 via the Phoronix Test Suite. 4 x 2000GB Western Digital WD20EFRX-68A: Processor: Intel Xeon E3-1225 v3 @ 3.60GHz (4 Cores), Motherboard: Dell 0VD5HY (A28 BIOS), Chipset: Intel Xeon E3-1200 v3 DRAM, Memory: 16384MB, Disk: 4 x 2000GB Western Digital WD20EFRX-68A + 120GB DSC2BW120H6, Graphics: Intel Haswell Server 2GB (1200MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: HP ZR22w, Network: Intel I217-LM OS: Fedora 31, Kernel: 5.3.1-300.fc31.x86_64 (x86_64), Desktop: GNOME Shell 3.34.0, Display Server: X Server + Wayland, OpenGL: 4.5 Mesa 19.2.0, Compiler: GCC 9.2.1 20190827, File-System: btrfs, Screen Resolution: 1920x1080 Dbench 4.0 Client Count: 12 MB/s > Higher Is Better 4 x 2000GB Western Digital WD20EFRX-68A . 32.91 |============================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better 4 x 2000GB Western Digital WD20EFRX-68A . 5070 |===============================