How to test Disk Speed (I/O)

Run the following command on your VPS or Dedicated Server via SSH:

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync

How to know whether the reported speed is slow or fast for your VPS or Dedicated Server?

Anything over 50 MB/s is considered acceptable. However, if you bought an SSD-based VPS or Dedicated Server and it performs under 100 MB/s, then that isn’t acceptable.

Author: Christopher Smith

I managed websites.

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