Deutsche Zusammenfassung
PCIe 4.0 vs PCIe 5.0 SSDs: What Actually Matters?
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A storage guide focused on sustained performance, heat, endurance, motherboard support, and price per terabyte.
Peak speed is not the whole story
Sequential headline numbers are useful, but everyday responsiveness, sustained writes, thermals, endurance, firmware maturity, and price per terabyte often matter more.
Compatibility note
Check whether your motherboard M.2 slot is wired for PCIe 4.0 or 5.0 and whether the drive needs a heatsink. Very fast SSDs can throttle in cramped builds.