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Team Group MP44S 1TB M.2 PCIe 4.0 2230 SSD Review

Storage/SSD by stefan @ 2024-05-19

The Team Group MP44S 1TB drive does offer entry-level to mainstream performance due to the use of QLC 176-layer Micron flash and not TLC, exposing the same weakness we have seen before with other drives as soon as the pSLC has been fully filled, from our estimation a size of about 240GB. While the lowest transfer rate is about 70MB/s, it should be okay in systems such as Steam Deck or ASUS ROG Ally, when used mainly for storing lots of games.

Drive Behavior during Continous Write

Before continuing our second stage of testing, we needed to fill the drive over 50%. During this time, we monitored the drive temperatures but also the transfer rates, to see how the MP44S does in terms of caching. Prior to data transfer, the controller ran at just 41 degrees Celsius:

The drive write workload started at optimal levels:

The temperature jumped a bit to 50 degrees Celsius:

We noted a small drop in performance to 3.1GB/s after 121GB of data written:

At this time, we could not say that the drop was caused by increased temperature:

A very sharp drop occurred after 241GB of data written, which is an estimation of the available pSLC cache:

Till the end of our tests, the speed did hover between 70 and 95MB/s, sometimes lower than HDD levels, a clear weakness of QLC technology:

The temperature remained at optimal levels:

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