Micro SD card R32.2 ARMv8 rev 0 testing with a Jetson-AGX and NVIDIA Tegra Xavier on Ubuntu 18.04 via the Phoronix Test Suite. SD Card: Processor: ARMv8 rev 0 @ 2.27GHz (8 Cores), Motherboard: Jetson-AGX, Memory: 16384MB, Disk: 256GB INTEL SSDPEKKW256G8 + 31GB HBG4a2 + 31GB SD32G, Graphics: NVIDIA Tegra Xavier, Monitor: PHL 247E6 OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.2.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080 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 SD Card . 55.53 |============================================================== Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better SD Card . 14300 |============================================================== Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64MB - Disk Target: Default Test Directory MB/s > Higher Is Better SD Card . 268 |================================================================ 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 SD Card . 14.88 |============================================================== 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 SD Card . 81.67 |============================================================== Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64MB - Disk Target: Default Test Directory MB/s > Higher Is Better SD Card . 211 |================================================================ 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 SD Card . 36.63 |==============================================================