I/O Benchmark Ubuntu with LUKS Oracle VirtualBox testing on Ubuntu 16.04 via the Phoronix Test Suite. I/O Benchmark Ubuntu with LUKS: Processor: Intel Core i7-5557U @ 3.10GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 33GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Ubuntu 16.04, Kernel: 4.10.0-28-generic (x86_64), Desktop: Unity 7.4.0, Display Driver: modesetting 1.19.3, Compiler: GCC 5.4.0 20160609, File-System: xfs, Screen Resolution: 1240x674, System Layer: Oracle VirtualBox Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better I/O Benchmark Ubuntu with LUKS . 4275.69 |===================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better I/O Benchmark Ubuntu with LUKS . 5.95 |======================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better I/O Benchmark Ubuntu with LUKS . 18047.24 |==================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better I/O Benchmark Ubuntu with LUKS . 67.56 |=======================================