ext4single Intel Core i7-3770 testing with a Gigabyte H77-D3H and Intel Xeon E3-1200 v2/3rd Gen Core on Arch Linux via the Phoronix Test Suite. EXT4-Single: Processor: Intel Core i7-3770 @ 3.90GHz (8 Cores), Motherboard: Gigabyte H77-D3H, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 20480MB, Disk: 4 x 1000GB Western Digital WD10JFCX-68N + 30GB INTEL SSDMCEAC03, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core (1150MHz), Audio: VIA VT2020, Monitor: SMT24A350, Network: Qualcomm Atheros AR8151 v2.0 Gigabit OS: Arch Linux, Kernel: 4.12.8-2-ARCH (x86_64), Compiler: GCC 7.1.1 20170630, File-System: btrfs, Screen Resolution: 1920x1080 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 MB/s > Higher Is Better EXT4-Single . 1.26 |=========================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 IOPS > Higher Is Better EXT4-Single . 312 |============================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 MB/s > Higher Is Better EXT4-Single . 1.49 |=========================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 IOPS > Higher Is Better EXT4-Single . 369 |============================================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 MB/s > Higher Is Better EXT4-Single . 95.20 |========================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 IOPS > Higher Is Better EXT4-Single . 23797 |========================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 MB/s > Higher Is Better EXT4-Single . 95.19 |========================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ext4 IOPS > Higher Is Better EXT4-Single . 23794 |==========================================================