Part Five: Building a PC -- connecting the PSU

It's important to have a power supply capable of powering all of your components

This article is the fifth in a series of how-to stories on building a computer. For a video version of part five, click here.

The power supply you pick should be able to sufficiently power all of your components. High-end video cards and multiple hard drives can especially draw a lot of power. Mid-range systems should work well with 500 watts and 800 watts is usually good enough for higher end systems, but we decided to buy a 1,000-watt power supply. We also chose a single rail 12-volt setup, which leads to a more stable power output.

The power supply we bought, the Silverstone ST1000-P, has a special feature known as modular cabling. This allows you to plug in the cables you want to use, and leave off the ones you don't. Using a traditional power supply typically meant leaving unused cables bundled at the bottom of your case.

For our computer case, the power supply mounts at the bottom. There's also a vent, so be sure to turn the power supply and mount it with the fan facing out. In some cases, the fan has to stay towards the inside.

After screwing the power supply firmly to the case, start attaching the power cables. For our build, we'll be using the main motherboard connector, the two additional motherboard connectors, a SATA power cable for the hard drives, another SATA power cable for the optical drives, a power cable for the video card and an older style power connector for the case fans.

Connect each to the power supply and snake them through the case to the different connection spots on your components.

The next article in the series discusses installing drives.

(Justin Meisinger in Boston contributed to this report.)

Nick Barber covers general technology news in both text and video for IDG News Service. E-mail him at Nick_Barber@idg.com and follow him on Twitter at @nickjb.

Join the PC World newsletter!

Error: Please check your email address.

Tags pc componentshardware systemsdesktop pcsComponents

Our Back to Business guide highlights the best products for you to boost your productivity at home, on the road, at the office, or in the classroom.

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Nick Barber

IDG News Service
Show Comments

Essentials

Lexar® JumpDrive® S57 USB 3.0 flash drive

Learn more >

Microsoft L5V-00027 Sculpt Ergonomic Keyboard Desktop

Learn more >

Mobile

Lexar® JumpDrive® S45 USB 3.0 flash drive 

Learn more >

Exec

Audio-Technica ATH-ANC70 Noise Cancelling Headphones

Learn more >

HD Pan/Tilt Wi-Fi Camera with Night Vision NC450

Learn more >

Lexar® Professional 1800x microSDHC™/microSDXC™ UHS-II cards 

Learn more >

Lexar® JumpDrive® C20c USB Type-C flash drive 

Learn more >

Budget

Back To Business Guide

Click for more ›

Most Popular Reviews

Latest News Articles

Resources

PCW Evaluation Team

Azadeh Williams

HP OfficeJet Pro 8730

A smarter way to print for busy small business owners, combining speedy printing with scanning and copying, making it easier to produce high quality documents and images at a touch of a button.

Andrew Grant

HP OfficeJet Pro 8730

I've had a multifunction printer in the office going on 10 years now. It was a neat bit of kit back in the day -- print, copy, scan, fax -- when printing over WiFi felt a bit like magic. It’s seen better days though and an upgrade’s well overdue. This HP OfficeJet Pro 8730 looks like it ticks all the same boxes: print, copy, scan, and fax. (Really? Does anyone fax anything any more? I guess it's good to know the facility’s there, just in case.) Printing over WiFi is more-or- less standard these days.

Ed Dawson

HP OfficeJet Pro 8730

As a freelance writer who is always on the go, I like my technology to be both efficient and effective so I can do my job well. The HP OfficeJet Pro 8730 Inkjet Printer ticks all the boxes in terms of form factor, performance and user interface.

Michael Hargreaves

Windows 10 for Business / Dell XPS 13

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

Aysha Strobbe

Windows 10 / HP Spectre x360

Ultimately, I think the Windows 10 environment is excellent for me as it caters for so many different uses. The inclusion of the Xbox app is also great for when you need some downtime too!

Mark Escubio

Windows 10 / Lenovo Yoga 910

For me, the Xbox Play Anywhere is a great new feature as it allows you to play your current Xbox games with higher resolutions and better graphics without forking out extra cash for another copy. Although available titles are still scarce, but I’m sure it will grow in time.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?