![]() ![]() ioMeter is the best open source benchmarker out there however they don't fully support OSX, just the worker engine binaries - so iometer itself would have to run on a separate machine. Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the. during regular multi application usage of the OS. Download Blackmagic Disk Speed Test for macOS 10.10.0 or later and enjoy it on your Mac. iow - this is as fast as it gets and in no way indicative of how your drive performs when ~30-50% of its reads and writes are random - i.e. ![]() One more thing to add and I don't know if was already mentioned or not tl:dr - this is a sequential test only. ~> time dd if=/dev/zero bs=2048k of=tstfile count=1024 2>&1 | awk '/sec/ 'Īaaah much more like it. The system has 16GB of ram, a 3.5 GHz i7 and 512 GB PCI-e (]> 01:19:24 Allow me to demo this on my snazzy new iMac with the PCI-e drive. This prevents caching and artificially inflated read speeds. One additional thing that might be worth mentioning.your test file (tstfile) should be larger than the amount of physical ram.
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