New PS4 hardware is more efficient with less fan noise | Eurogamer.net
PlayStation 4 Pro CUH-7200 review: the latest, quietest hardware revision | Eurogamer.net
PS4 hardware overview - GameSpot
A Comparison of Playstation 4 Models
Cutting it close: Sony's $399 PS4 costs $381 to make
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Could Microsoft upgrade the Xbox One's hardware to fix the PS4 performance gap? | Extremetech
PlayStation 4 - Wikipedia
Is it worth upgrading PS4 Pro with an SSD? | Eurogamer.net
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Sony Reportedly Hopes to Combat PlayStation 5 Shortage by Producing More PS4s | Complex
PlayStation 4 - Wikipedia
PlayStation 4 Model Guide: PS4 Model List and Comparison - Silent PC Review
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Is it possible to turn a PS4 into a PC? If not, can some of its parts be used to build a PC? - Quora
PS4 Pro vs PS4: what's the difference? | TechRadar
PS4 price, hardware specs, and games detailed | Extremetech
Sony PlayStation 4 Pro review: Should you buy a PS4 Pro? It's complicated - CNET
Hardware Test: PlayStation 4 | Eurogamer.net
/cdn.vox-cdn.com/uploads/chorus_image/image/45915342/shutterstock_216087928.0.0.jpg "PS4 sales boost Sony's finances; PS Vita and TV drag it down - Polygon")
PS4 sales boost Sony's finances; PS Vita and TV drag it down - Polygon
PS4: How to get your hands on a PS4 with firmware 7.55 or lower - Wololo.net
Sony announces lighter, less power hungry PS4 hardware | Eurogamer.net
New PS4 and PS3 Models Registered by Sony in Indonesia, Hint at Hardware Revisions
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