Forgotten something? You need extra bits for your bodacious gaming PC build—and these 15 Prime Day deals start at just $5

A collection of tools and PC building components on a blue and red Prime Day deals background, with the PC Gamer logo in the bottom right
(Image credit: Thermalright, Corsair, Cable Matters, Themal Grizzly, HOTO, Be Quiet, SMALLRT)

Are you building a gaming PC, or upgrading your existing one after finding a great Prime Day deal? I reckon you might have forgotten something. You'll need a specific screwdriver bit, or some fresh thermal paste, or perhaps even an upgraded PSU to power your fancy new components.

I've got you covered. I've built many, many gaming PCs over the past 26 years, so I've spent the morning gathering up the best deals I can find on all the extras you might need.



Starting off with some tried and tested thermal paste for just $5 at Amazon, and finishing with a 1200 W PSU that should power virtually any gaming rig for $140 (yes, even one with an RTX 5090), these 15 deals should ensure you have all the correct gear at your disposal.

I've also thrown in some CPU/system cooling options of all different sorts and sizes, as keeping your PC chilled out is vital for maximum performance. And I've, err, included this neat little external power button for $11. You don't need one, but isn't it fun?

Anyway, building and upgrading gaming PCs is what we do. Give the list below a quick once-over, and make sure you've got everything you need to put your rig together properly. And most importantly, have fun! It's supposed to be relaxing, you know...

Prime Day Deals on PC building tools and components

AMD Ryzen 9 9800X3D processor
Best PC build 2026
Andy Edser
Hardware Writer

Andy built his first gaming PC at the tender age of 12, when IDE cables were a thing and high resolution wasn't. 26 years later (yes he's getting old), he now spends his days writing about and reviewing graphics cards, CPUs, keyboards, mice, gaming headsets and much, much more. You name it, if it's PC gaming hardware he'll write words about it, with opinions and everything.

You must confirm your public display name before commenting

Please logout and then login again, you will then be prompted to enter your display name.