A Beginner's Guide to Choosing the Right Power Supply for Your PC

Techtesters September 12, 2025
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Techtesters

@techtesters

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Hi. I'm Nada and I like talking tech.

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A Beginner's Guide to PC PSU / PC Power Supply Buying. Thanks to Seasonic for sponsoring this video. Check out their full range of Power Supplies here: https://seasonic.com/power-supplies/ Or shop for their SSDs on Amazon: https://geni.us/j4O1rU (affiliate) *Lego Used* (affiliate links) Lego Plum Blossom (10369) - https://geni.us/ZWZJ7 Lego Chrysanthemum (10368) - https://geni.us/CS8QBF Lego Piranha Plant (71426) - https://geni.us/5CXq Lego Succulents (10309) - https://geni.us/dU5e14R Lego Bonsai (10281) - https://geni.us/pndxCfB Lego Groot (76217) - https://geni.us/VjkzA Lego Orchid (10311) - https://geni.us/DsMaDws Lego Horizon Forbidden West Tallneck (76989) - https://geni.us/nN7U4zi *No Lego was harmed in the making of this video. ------------------------------------------------------- If you want to support what I do, check these out: Patreon: https://www.patreon.com/Techtesters Twitter: https://twitter.com/NadaOverbeeke Instagram: https://www.instagram.com/techtesters.eu/ ------------------------------------------------------- *Timestamps* 0:00 - Introduction 1:13 - Step 1: Stick to Reputable Brands 2:35 - Step 2: Choosing the Right Size (ATX, SFX, etc) 4:05 - Step 3: How to Quickly Calculate the Wattage You Need 9:35 - Step 4.1: Features to Look For (ATX 3, PCIe 5, 12V-2x6) 10:10 Step 4.2: Features to Look For (Modularity, Cables) 12:10 Step 4.3: Features to Look For (Noise, Fan Stop) 12:30 Step 4.4: Features (Not?) to Look for (80+ Labels) 13:50 Step 5: Do You Need a Super Premium PSU? 14:55 Step 6: Some Final Tips 15:30 Summary & Final Thoughts ------------------------------------------------------- *Disclosure* - This video is sponsored by Seasonic. They asked if I wanted to make an educational video on how to pick the right SSD and use some of their products to showcase the features I wanted to talk about. They didn't tell me what to say or not to say, or anything else, the content is entirely my own opinion on how I think you should go about picking your next PSU. - Amazon links I provide are (typically) affiliate links. Using these does not cost you anything at all. As an Amazon Associate, I earn from qualifying purchases. This means they do provide me with a small commission when you decide to buy a product, at no cost to you. #PSU #Powersupply #Powersupplyguide

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