results Oracle VirtualBox testing on Debian 9.5 via the Phoronix Test Suite. VBOX HDD: Processor: Intel Core i5-6300HQ @ 2.30GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 43GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Debian 9.5, Kernel: 4.18.16 (x86_64), Display Server: X Server 1.19.2, Display Driver: modesetting 1.19.2, OpenGL: 3.3 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1920x1000, System Layer: Oracle VirtualBox Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better VBOX HDD . 6895 |============================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better VBOX HDD . 1.89 |============================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better VBOX HDD . 17588 |============================================================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better VBOX HDD . 11.40 |=============================================================