Power supplies are responsible for feeding clean, stable juice to the sensitive components inside your PC. Calling it one of the most important components you'll buy is not an overstatement. The Tom's Hardware team can help you find the right PSU to keep your system running reliably all day long.
Apple Files Patent to Make a Zero-Power PSU
Sep 13, 2011 - in News
Is this an obvious way to improve PSUs?
Picking The Right Power Supply: What You Should Know
Sep 6, 2011 - in Reviews
How does a power supply work? Why is it important to choose a sufficiently powerful and efficient model? We guide you through discussions of efficiency and tips for getting the best deal before we go on to explain why less can be more in the PSU market.
Seasonic's New Power Supply Lineup for Sept.
Jun 4, 2011 - in News
More power to Seasonic this fall.
Enermax Shows 80 Plus Platinum 'Platimax' PSUs
Jun 2, 2011 - in News
1200 W enough for you?
80 PLUS Gold: Four Efficient 700-850 W Power Supplies
May 18, 2011 - in Reviews
Gamers and enthusiasts are always on the lookout for crème de la crème hardware. It's easy to pick winning CPUs and graphics cards; less so for PSUs. We put four 80 PLUS Gold devices from Antec, FSP, Seasonic, and SilverStone under the magnifying glass.
Samsung Working on Solar-Powered Netbook?
May 11, 2011 - in News
Samsung revealed a solar-powered netbook during the Africa Regional Forum in Nairobi.
Don't Be Surprised When Your Cheap PSU Blows Up
May 5, 2011 - in Reviews
We purchased a few interesting PSUs through a few dubious online vendors, among then an "extremely quiet" 500 W model for less than $30. That’s a tempting offer, but our test of three different units proves you should stay away from cheapo power supplies.
Tom's Hardware: Zotac GeForce GTX 580 Amp2! Edition and Zalman 1000 W PSU Giveaway
Apr 25, 2011 - in News
Retweet @TomsHardware to win nearly $850 in hardware!
External Battery Roundup: Stay Away From The Wall Socket
Mar 8, 2011 - in Reviews
Battery life is always such a big deal in our mobile coverage (often because gaming systems fall so short). But don't feel limited by the built-in power source. Today we round up 15 external batteries that can keep you running longer away from a socket.
Three 1000 W 80 PLUS Gold-Certified Power Supplies Tested
Feb 10, 2011 - in Reviews
We received a trio of 1000 W power supplies priced between $200 and $300, so we ran them through our usual suite of tests to see if they really live up to their 80 PLUS Gold certifications. Surprisingly, all three hiccuped during efficiency testing.
IBM and Samsung In Huge Patent Deal
Feb 10, 2011 - in News
IBM and Samsung have agreed on a patent cross-licensing deal under which the companies are licensing their "respective" patent portfolios to each other.
CoolIT Teaming with Corsair on New Technology
Jan 9, 2011 - in News
CoolIT's partnership with Corsair gives total control over the PC.
Roundup: 12 Gaming Power Supplies Compared
Dec 29, 2010 - in Reviews
Gamers demand a lot from their computers, starting with the PSU. Therefore, almost every PSU manufacturer sells products optimized for gaming PCs. We introduce ripple and noise testing in this roundup to further improve our power supply evaluations.
Airplane Cargo Holds Can Be Too Hot for Li-Ion
Dec 19, 2010 - in News
Could this limit what you take with you on holidays?
Win a Trip to CES Las Vegas with MSI
Dec 10, 2010 - in News
Tom’s Hardware/MSI : Operation Las Vegas and 3DMark11 giveaway!
Updated: Tom's Hardware December 2010 Charts
Dec 2, 2010 - in News
During the course of 2010, we've updated our Charts section several times to bring existing categories up to date and add a number of others. Check out the CPUs, coolers, PSUs, USB thumb drives, SSDs, and NAS appliances we've added.
Enthusiast Power Protection: Four-Way 900 W UPS Roundup
Nov 14, 2010 - in Reviews
It's downright negligent to ignore the power needs of your high-end hardware. While many power users go to the trouble of tracking down solid PSUs, we recommend going a step further and investing in battery backup. We round up four enthusiast units.
Who's Who In Power Supplies: Brands, Labels, And OEMs
Nov 11, 2010 - in Reviews
Did you think all power supplies were manufactured by the brand selling them? We show you what makes a good PSU and reveal who actually builds PSUs. You can actually find lots of quality, instead of just scrap metal, behind some of the budget labels.
Sub-$75 Mainstream Power Supply Roundup
Oct 6, 2010 - in Reviews
In our last power supply article, we reviewed several relatively expensive, high-performance products suitable for powerful gaming PCs and workstations. This time around, we're looking at something a little bit more affordable for the mainstream crowd.
Gigabyte Overclocking Finals: Specs and Numbers
Sep 24, 2010 - in News
Tomorrow, Gigabyte will crown a worldwide overclocking king for 2010. Here's how the company will choose the winner.
Updated: Tom's Hardware 2010 Charts
Sep 23, 2010 - in News
During the course of 2010, we've updated our Charts section several times to bring existing categories up to date and add a number of others. Check out the CPUs, coolers, graphics cards, USB thumb drives, SSDs, hard drives, and NAS appliances we've added.
On The Bench: Corsair's HS1 USB Gaming Headset
Sep 16, 2010 - in Reviews
You probably know Corsair best for its memory products, power supplies, and SSDs. But now the company is jumping into the crowded headset market with an unassuming entry that’s both affordable and capable of offering great sound quality.
Power Strip is Waterproof, Won't Electrocute You
Jul 9, 2010 - in News
Just what I needed for my yacht.
Bang For Your Buck: Four 500 W Power Supplies Reviewed
Jul 8, 2010 - in Reviews
Enthusiasts often say that you can never have too much performance. However, a 500W power supply is perfectly ample for a majority of mid-range PCs. This is one of those cases where a solid ratio of performance to price is preferable to gross excess.
Soon At Tom's Hardware: Full-Scale Power Supply Testing
Jun 22, 2010 - in Reviews
Often overlooked, the power supply plays a crucial role in supplying the PC with stable and sufficient power. Unfortunately, not all PSUs on the market meet expectations. This is why Tom's Hardware will now regularly be testing power supplies.
OCZ's Fatal1ty Modular PSU Does 750W
May 18, 2010 - in News
OCZ's latest Fatal1ty-branded PSU cranks up to 750 watts and offers modular cabling.
Turn a Laptop Adapter into a Powerstrip for $15
Apr 22, 2010 - in News
There's nothing worse than watching your battery slowly drain itself while you wait for someone, anyone, to leave so you can steal the outlet they're hogging.
Watch the ASUS ROG OC Competition Live!
Apr 10, 2010 - in News
LN2 makes an appearance again!
MSFT Investigating Windows 7 Battery Problems
Feb 3, 2010 - in News
Microsoft is investigating the mounting reports that Windows 7 is having a negative effect on laptop batteries.
Candy Corngrats to Our Corsair Case Contestants
Dec 7, 2009 - in News