USB 2.0 ARMv8 rev 3 testing with a quill and NVIDIA Tegra X2 on Ubuntu 18.04 via the Phoronix Test Suite. USB2.0 8G: Processor: ARMv8 rev 3 @ 2.04GHz (6 Cores), Motherboard: quill, Memory: 8192MB, Disk: 16GB InnoDisk + 8GB Cruzer Blade + 31GB 032G34 + 31GB SD32G, Graphics: NVIDIA Tegra X2, Monitor: PHL 247E6 OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.1.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 1.42 |============================================================= Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 1.70 |============================================================= Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 12.70 |============================================================ Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 1.12 |============================================================= Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 10.86 |============================================================ Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better USB2.0 8G . 0.73 |=============================================================