I have Z210 with 400 psu (DPS-400AB-13A ) but I want to upgrade my psu to 500 or may be 600. How can I achieve that? Will This one work in my case : https://www.amazon.com/HP-632911-001-Z420-POWER-SUPPLY/dp/B01MRV31HZ
What is your budget and location?
What is the rest of your system spec including case?
Last thing you should ever go cheap on is the PSU.