Kingston KC2500 1 TB M.2 NVMe SSD Review 10

Kingston KC2500 1 TB M.2 NVMe SSD Review

Windows 10 Startup, Virtualization & File Compression »

Thermal Throttling

Due to the compact form factor, M.2 drives lack the ability to cool themselves and usually have to rely on passive airflow instead. All vendors include some form of thermal throttling on their drives as a safeguard, which limits throughput once a certain temperature is exceeded.

On this page, we will investigate whether the tested drive has such a mechanism, how high temperatures get, and what effect this has on performance. We will test the drive in a typical case and the M.2 slot between the CPU and VGA card. A second data point shows the result with a 120 mm fan directly blowing on the tested drive. Each of the charts has time moving from left to right, with the blue line displaying transfer speed in MB/s and the red line showing the temperature in °C (measured using SMART).

Results from this test setup are not comparable to our 2019 SSD bench, because we're using a different case and a CPU cooler which generates some airflow around the CPU socket.


Temperature Test Read
Temperature Test Read with Fan


Temperature Test Write
Temperature Test Write with Fan

Thermal Image & Hot Spot

Thermal Camera FLIR Image during Write Test

We recorded a thermal image of the running SSD as it was completing the write test. The hottest part reached 80°C, which is around 20°C higher than the drive's own thermal reporting.
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May 20th, 2022 17:07 EDT change timezone

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