Windows 11 users are noticing the problem with NVMe SSD disks. As shown in the tests, the system throttles its performance, especially while typing. Interestingly, performance drops only on disks that have a system partition.
service XDA Developers It describes an interesting issue related to the performance of SSDs in Windows 11. It is related to the issue of low scores several times in benchmarks in the case of disks that have a system partition. As the users themselves explain, publishing the test results on the Internet, the value of writing in some cases may be several times less. The results in Windows 11 are also lower than in Windows 10.
Interestingly, this problem was already noticed in the testing phase of Windows 11 Insider Program. However, practice shows that Microsoft has not yet dealt with the problem and it began to appear on other computers. Currently, there is no single explanation for why the tests are different. One theory is that it is a result VBS security is applied by default, but that doesn’t explain the huge difference in results compared to Windows 10 (where VBS can work as well).
Two tests for two identical drives. On the left, the disk containing the C partition.
Windows 11 users reported that the issue affects both NVMe to PCIe 3.0 and 4.0 drives. At this point, it’s hard to say how long Microsoft’s response will take, given that developers have theoretically known about the problem for months. Users add that a slight improvement can be seen after installing Windows 11 build 22000.348, but the performance of the drives in the test is far below expectations.
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