sd-card ARMv7 rev 4 testing with a BCM2835 Raspberry Pi 3 Model B Rev 1.2 and BCM2708 on Raspbian 9.4 via the Phoronix Test Suite. SD16G: Processor: ARMv7 rev 4 @ 1.20GHz (4 Cores), Motherboard: BCM2835 Raspberry Pi 3 Model B Rev 1.2, Memory: 1024MB, Disk: 16GB SD16G, Graphics: BCM2708 OS: Raspbian 9.4, Kernel: 4.14.52-v7+ (armv7l), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 656x416 IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better SD16G . 21.35 |================================================================ IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better SD16G . 19.40 |================================================================ IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better SD16G . 9.47 |================================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better SD16G . 9.41 |================================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better SD16G . 19.61 |================================================================ IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better SD16G . 9.35 |=================================================================