myssd AMD Phenom II X4 955 testing with a ASUS M5A78L LE and Sapphire AMD Radeon HD 7770/8760 / R7 250X 2048MB on Fedora 27 via the Phoronix Test Suite. Seagate ST500DM002-1BD14: Processor: AMD Phenom II X4 955 @ 3.20GHz (4 Cores), Motherboard: ASUS M5A78L LE, Chipset: AMD RS780 + SB7x0/SB8x0/SB9x0, Memory: 8192MB, Disk: 500GB Seagate ST500DM002-1BD14 + tigo SSD 240GB, Graphics: Sapphire AMD Radeon HD 7770/8760 / R7 250X 2048MB, Audio: Realtek ALC887-VD, Network: D-Link DGE-528T Gigabit OS: Fedora 27, Kernel: 4.14.13-300.fc27.x86_64 (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.4 (LLVM 5.0.0), Vulkan: 1.0.61, File-System: ext4, Screen Resolution: 1920x1080 Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Seagate ST500DM002-1BD14 . 253.09 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Seagate ST500DM002-1BD14 . 63271 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Seagate ST500DM002-1BD14 . 253.24 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Seagate ST500DM002-1BD14 . 63307 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Seagate ST500DM002-1BD14 . 252.62 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Seagate ST500DM002-1BD14 . 63152 |=============================================