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Crucial P5 Plus 2TB PCIe M.2 2280 PCIe 4.0 Gaming SSD Review

Storage/SSD by stefan @ 2022-02-06

The Crucial P5 Plus did impress us quite a bit in terms of performance and we were quite surprised that the controller remained at acceptable temperature levels even when writing continuously to the drive. You will have to expect the usual performance fluctuation when SLC gets filled up but in most usage scenario there won’t be any issues even when downloading very large games off Steam. Our tests were conducted inside a well-ventilated computer case but expect the situation to change if your enclosure does not feature active cooling or is installed inside a laptop.

Drive Behavior during Continuous Write

To prepare for the second test stage, we have filled the drive over 50% and at the same time we have monitored the transfer speeds but also the drive temperature thanks to the S.M.A.R.T. output. P5 Plus was able to keep a high constant transfer rate for more thank 500GB, which is quite amazing:

During this test stage, the temperatures were hovering about 69-70 degrees Celsius, which is quite acceptable in a well-ventilated case:

After writing more than 750GB to the drive, the transfer rates started dropping to about 600-790MB/s, meaning that the SLC was almost filled up and the drive has already started writing to TLC:

During this time, the controller started working quite hard, the temperature rising to about 75 degrees Celsius:

In the last part of the test, the drive got under 500MB/s for quite a bit but at the same time it has recorded spikes at about 990MB/s, meaning that the controller was also struggling to free up some SLC at the same time:

After the writing has completed, the controller did hover at around 76-77 degrees Celsius until it finished transferring data to be able to free even more SLC and recover original performance.

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