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![A person wearing a blue glove holding a CPU](https://cdn.mos.cms.futurecdn.net/CLX2dZmbeX5ZKNNGvkpyXY-320-80.jpg)
What is cache memory?
By Keumars Afifi-Sabet last updated
In-depth We explain what cache memory is, its core functions, and how it differs from RAM
![A close-up photo of a person installing a stick of RAM onto a motherboard](https://cdn.mos.cms.futurecdn.net/FNBG6qYPU7ntrnsdoXqJhc-320-80.jpg)
How to check RAM speed and size on your computer
By Chris Merriman last updated
In-depth It's always useful to know how to check RAM speed on your PC, especially if you want to upgrade performance
![A graphic depicting HDMI vs DVI by showing the two cables flying towards each other with yellow text reading 'VS' in the centre of the screen, against a background of motion-blurred blue code,](https://cdn.mos.cms.futurecdn.net/SZnaMv7iRBK9DYdqPJ4JrJ-320-80.jpg)
HDMI vs DVI: What’s the best AV input?
By Bobby Hellard last updated
In-depth DVI and HDMI are two of the most popular video cable standards on the market, but which should you be using?
![Creative image of data centres in the dark with red lights](https://cdn.mos.cms.futurecdn.net/ot6C7zschYDaXJjBXRCQ3k-320-80.jpg)
Sustainability is more than a flash-in-the-pan topic for the data storage industry
By Ross Kelly published
Analysis Rising energy costs and concerns over the environmental impact of data centers are prompting a shift away from power-hungry disk drives
![Graphic of a CPU on a mult-coloured computerised motherboard](https://cdn.mos.cms.futurecdn.net/dAuT4ZL5fpQ4dyLSmwFfyF-320-80.jpg)
What's the difference between ARM and x86?
By Darien Graham-Smith published
In-depth Apple, AMD, and Intel take significantly different approaches to building CPUs, with varied processor designs carrying significant implications for performance
![Pure Storage logo on a smartphone held in someone's hand, set against a dark blue background](https://cdn.mos.cms.futurecdn.net/jT4xDeX9ZKjmFsJpcvsZBg-320-80.jpg)
Pure Storage’s FlashArray//E launch offers “multi-year advantage” with performance and energy efficiency boosts
By Ross Kelly published
News The FlashArray lead at Pure Storage, said the launch will act as a “key differentiator” for the company in the storage space
![A component in a circuit board with red effects](https://cdn.mos.cms.futurecdn.net/kDU6ccBXt65HPkrz2Ybtif-320-80.jpg)
Why subsidies alone won’t grow the UK’s semiconductor industry
By Rich McEachran published
In-depth The national strategy’s £1 billion subsidy package is far smaller than commitments made in the US and the EU, with the UK opting for a more targeted approach
![Pure Accelerate 2023: Resorts World is pictured on Friday, March. 3, 2023, in Las Vegas.](https://cdn.mos.cms.futurecdn.net/Pig5mxfPQW47T78hAtDUYQ-320-80.jpg)
Storage, sustainability, and AI in the spotlight at Pure Storage Accelerate 2023
By Ross Kelly published
Analysis More than 1,000 attendees will flock to Resorts World Las Vegas for Pure Storage's annual conference next week
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