Reports have begun trickling out across internet forums and Reddit of Windows 11 users experiencing sluggish NVME SSD behavior in certain benchmarks compared to the same drives’ performance in Windows 10. Lending credence to the claims is the response from a Microsoft official in those same forums: “We’re investigating.”
The various claims across several venues were first spotted by Neowin.net, which compiled complaints from Reddit, Microsoft’s Forums, and the Windows 11 Feedback Hub. The majority of the posts indicate people are experiencing reduced IOPS numbers for random writes in Windows 11 benchmarks, though some users are seeing other abnormalities, depending on the benchmark. In a lengthy thread on the Microsoft Forums, many users are chiming in with their own benchmark results that show a marked degradation in performance in Windows 11. One example is a poster named MarceRivero who attached his benchmark results from the Samsung Magician software. It shows his Samsung 980 Pro scoring 733k IOPS in Windows 10, and just 249K in Windows 11.
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