Brad ChacosSenior Editor, PCWorld

Brad Chacos spends his days digging through desktop PCs and tweeting too much. He covers gaming and graphics for PCWorld, and spends his mornings running the news desk for PCWorld, Macworld, Greenbot, and TechHive.

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How to protect your PC from the Meltdown and Spectre CPU flaws

Here's how keep your computer safe from the nasty Meltdown and Spectre CPU security flaws.

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Intel finishes Spectre patching, some older CPUs won't receive planned updates

Intel’s marathon of Spectre CPU microcode patches is ending, but some older chips that were promised updates won’t be receiving them.

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Acer's Nitro 5 laptops bring Intel's 8th-gen CPUs to mainstream gamers

The Nitro 5 gaming laptops focus on casual gamers, and Acer's first models with Intel 8th-gen laptop CPUs tap affordable Core i5 options.

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Origin supercharges the sleek EVO15-S with a powerful 6-core CPU, 144Hz display

The Origin PC EVO15-S might be portable, but it has a powerful Nvidia GTX 1070 Max-Q GPU. Now it's getting an overclockable 6-core Intel 8th-gen CPU to match.

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Steam Machines disappear from Steam's hardware tab, but their legacy lives on

Valve's Steam Machines were doomed from the start, and now they're slowly disappearing. But they left a lasting mark on PC gaming.

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AMD Ryzen 5 processors get killer Amazon deals with Zen+ CPUs looming

Amazon rebates are making already great AMD Ryzen deals even better.

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Acer Predator Helios 300 review: A well-rounded gaming laptop at a great price

The Acer Predator Helios 300 laptop blends superb gaming performance with a compelling price tag.

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ASRock gets into graphics cards with Radeon-based Phantom Gaming GPUs

Motherboard maker ASRock is expanding into graphics cards with a Phantom Gaming lineup that exclusively uses AMD's Radeon GPUs.

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Nvidia's delayed 4K, 144Hz G-Sync HDR displays are expected to launch in April

4K G-Sync HDR displays are the holy grail of PC displays, and they're expected to release in April after a delay.

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Microsoft's DirectX Raytracing paves the way for lifelike gaming, the graphics holy grail

Microsoft's DirectX Raytracing tools for DirectX 12 make the holy grail of graphics possible: real-time ray tracing effects. And we have the first video to prove it!

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Nvidia Highlights and Ansel appear in more games to make sharing your epic wins easier

At GDC 2018, Nvidia brought its Highlights and Ansel technologies to additional games, and released tools to encourage even more adoption.

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AMD's Project ReSX makes ultra-popular games smoother and faster on Radeon graphics

AMD Radeon's Project ReSX improves speed and reduces latency in e-sports games like Fortnite and Dota 2.

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17 obscure Steam tips and tricks that can power up your PC gaming

Buckle up and get ready to dive deep into the best Steam tips and tricks for power users.

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How machine learning can make prettier PC games that adapt to your play preferences

Microsoft's new WinML and DirectML tools can supercharge games with smarter, adaptable AI, prettier images, and reduced development times.

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10 surprisingly practical Raspberry Pi projects anybody can do

Looking to get started with the Raspberry Pi, Raspberry Pi 3, or Raspberry Pi Zero? These easy and practical projects are good for all levels, even beginners. Streaming. Gaming. Networking. Even printing!