If you are considering purchasing PDUs for your power deployment, you may follow this buying guide covering 5 steps: Step 1. Estimate Your Power Capacity; Step 2. Choose the Available Input Power to the Facility; Step 3. Check the Supported Power Connections; Step 4. Confirm your Installation Plan; Step 5. Ensure the Required Functionalities of PDUs. Recommendations of PDUs according to different applications are presented in the bottom line.