
A Thunderbolt 2 enclosure will max out at around 1375 MB/s.A single 3.5" SATA HDD usually runs anywhere between 150-250 MB/s.Check the specifications of your hardware for more details. Speeds can vary depending on the drives, the enclosure and the computer.If that is the case, free up some space and then test the speed again. over 75%), especially for spinning hard disk drives (HDDs), the speed might be slower than with empty drives. If you are using bus power and/or a laptop, make sure to plug in the power adapter to your device and to your laptop. When testing the speed, please connect the external storage drive directly to your computer (no daisy chain) and temporarily disconnect any other peripherals.An expired trial version will have reduced functionality and performance.


This is a free app available for both macOS and Windows.

As a standard test and when contacting tech support, we recommend using AJA System Test.Speeds can vary depending on the benchmark tool and the settings that are used.less than 100 MB/s for multiple disks in a RAID), please use the following tips to narrow down the problem. If you feel that your RAID is running slower than it should (e.g. There are several factors that can affect the read and write speed of your RAID. Slow read or write speeds when using SoftRAID FAQ - Frequently Asked Questions - Knowledge Base
