Storage/SSD by stefan @ 2024-09-24
The Acer Predator GM7 does perform really well in terms of performance, even if we are not dealing with a DRAM-cached SKU, but one which uses HMB, while the operating temperatures are really good, allowing it to function in systems with less-than-ideal airflow in the drive area such as miniPCs, laptops or the PS5 console.
After finalizing the first stage of testing, we have begun writing data to the drive to reach under 50% free space and analyze how it behaves during this intensive process not only in terms of temperature but also regarding performance; we were quite surprised how cool the drive is in IDLE mode, with NAND temperature of 43 degrees Celsius, while the controller had just about 33 degrees, this with an ambient temperature of 28 degrees Celsius:
The write workload has started at optimal transfer rates:
The first small speed drop has occurred after writing about 75GB of data, but still…3GB+/s speed is still excellent:
During this time, the temperature barely increased on the drive:
The speed drop to about 2GB/s has happened after writing about 690GB of data:
During this time, the controller was still at good temperature levels of about 59 degrees Celsius, while the NAND was at just 47 degrees Celsius:
The last speed drop happened after writing about 1037GB of data, and the transfer rate did hover between 600MB/s and 1000MB/s, meaning that we were writing directly to TLC:
What is interesting is that when pSLC is fully filled, the controller started dissipating less heat, since it stopped the process of recovering cache, that until the writing workload stopped:
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