#Blackmagic disk speed test log full version
#Blackmagic disk speed test log drivers

It is probably on the low side since the ssd portion is. In the screenshot you can see actual write speeds of which I get 280-360. Next, create a.dmg of less than 4 Gb and watch the actual read speed of you drive. This will give you a list of the disk activity. Your result looks slow unless it is a very slow SSD or the SSD has degraded and needs trimming. To test the write speed manually, open terminal and type iostat -c 2000. When I watch iStat menus disk activity during the Black Magic test I can see all the activity is on the SSD and none on the HDD, as expected. So the speed test should read and write to the SSD and show the SSD speeds. Download Blackmagic Disk Speed Test for macOS 10.13.0 or later and enjoy it on your Mac. HCFR 2019 Web Site Other Useful Business Software Speed Up Your Quote and. It is one of the tests I use to check that a Fusion Drive is working. Read reviews, compare customer ratings, see screenshots, and learn more about Blackmagic Disk Speed Test. Only for Teds LightSpace CMS Calibration disk customers (PGenerator / Blu-Ray. Where is the option to choose the disk you want to run the test on thanks, peter.

#Blackmagic disk speed test log drivers

Installing the latest 4.8 drivers seemed to have fixed it. You can see all this happening with iStat Menus which shows disk activity separately for the SSD and HDD parts of the Fusion Drive. in the Disk Speed Test Tool you have to select the drive you wish to test.

#Blackmagic disk speed test log full version

When the whole 8Gb has copied, the SSD will unload 4Gb to the HDD in the background to recreate the 4Gb space on the SSD. In addition to disk performance, the full version of System Test (included in the full Desktop software downloads) can also evaluate your PCIe bandwidth to. BlackMagic speed test is measuring VERY low speeds (under 30 MBps). So for example when you copy an 8Gb file to a Fusion Drive, the first 4Gb copies at SSD speed and then it drops to HDD speed because the SSD is full and the write switches to the HDD. I am trying to get an accurate measure of transfer speeds to my Synology DS918+ from an iMac on the same WiFi network. Fusion Drives work by keeping 4Gb free on the SSD at all times, and everything goes to the SSD first. The size of the SSD should not affect the test. The results were 449 and 537 peak read/write. Shop the best photography equipment, digital cameras, lenses, pro audio & video, professional gear & musical instruments from top brands - Canon, Nikon. I have home brew Fusion Drives on both my MBPs, and I just did a Black Magic test on the one with 960Gb SSD and 1Tb HDD.