PlayStation 4 to sell at a loss, but Sony expects profit - CNET

PlayStation 4 lifespan reportedly extended, as PS5 supply issues continue

PS4 could've FAILED Sony - Rooster Teeth

AMD rode the PS5, Xbox, and GPUs from a loss in 2020 to a likely billion in 2022 - The Verge

AMD might be on the road to recovery as losses narrow - The Verge

PlayStation profit drops 49% in Q2 due to increased game development and acquisition-related costs

Sony posts $312M Q1 loss as restructuring costs hit home - CNET

PlayStation 3 - Wikipedia

Sony close to making a profit on PlayStation 4

PlayStation 4 to sell at a loss, but Sony expects profit - CNET

PS5: 13.4 Million Units Sold Globally

Techmeme: Sony is closing its failed PlayStation Mobile platform (Sam Byford/The Verge)

PS4 Pro No Longer Being Sold By Sony On PlayStation Direct

Phil Spencer: Sony Wants To 'Make Xbox Smaller' To Protect PlayStation's Dominance

God of War Ragnarök - PlayStation 4

PlayStation 4: Everything you need to know - CNET

Sony PS4 Pro vs. PlayStation 4 Slim: Worth the Upgrade?

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Sony PlayStation 4 PS4 Slim CUH-2100A White Game Console Full Set Japan F/S