Power Supplies
Explore Power Supplies
Latest about Power Supplies
PSUs 101: A Detailed Look Into Power Supplies
By Aris Mpitziopoulos last updated
The objective of this article is to provide detailed information about the most crucial part of a personal computer (PC) system, its power supply unit. Follow us on this journey into PSU territory and we promise that you will gain valuable knowledge.
Gigabyte UD850GM Power Supply Review
By Aris Mpitziopoulos published
The Gigabyte UD850GM uses an upgraded platform that fixes all problems of its predecessor (P850GM)
Corsair CX550F RGB Power Supply Review
By Aris Mpitziopoulos published
The Corsair CX550F has rich RGB lighting options while offering good performance.
How We Test Power Supply Units
By Aris Mpitziopoulos published
Our methodology, testing equipment, and benchmarks.
Seasonic PSU Wattage Calculator Includes AMD Radeon RX 7000 Series GPUs
By Mark Tyson published
Using the calculator appears to indicate that AMD's RDNA 3 series GPUs will have similar max power consumption figures to the cards they replace.
HDPLex’s ATX PSU Is Barely Bigger Than a Phone
By Ian Evenden published
A new ATX PSU from HDPlex is barely larger than an iPhone but supplies 250W
Corsair TX550M Power Supply Review
By Aris Mpitziopoulos last updated
The Corsair TX550M is efficient and quiet enough, making it ideal for a mainstream system.
Gigabyte UD1000GM PG5 Review: The First PCIe Gen 5 Compatible PSU
By Aris Mpitziopoulos published
The Gigabyte UD1000GM PG5 is ready to support the upcoming generation of GPUs.
Stay on the Cutting Edge
Join the experts who read Tom's Hardware for the inside track on enthusiast PC tech news — and have for over 25 years. We'll send breaking news and in-depth reviews of CPUs, GPUs, AI, maker hardware and more straight to your inbox.