Silicon Power PC60: slower, but stable and mainly cheap

Write

External SSDs are one of the newest types of computer accessories, and I’ve got to like them in recent years. Compared to USB memory sticks, they offer higher speeds and, above all, higher capacity. Yet at the same time, they are still small enough for comfortable carrying in a pocket. We’ve expanded our results database of tested storages with the low-budget PC60 model from Silicon Power.

Write: practical tests

The tests consist of sequential transfer of directories from the RAM disk to the SSD. The files in these directories vary in size. From the largest 9-gigabyte one (when most SSDs reach maximum performance), the file size gradually decrease to very small (12–59 kB) – in such operation, the performance is usually relatively low.





Practical tests in Windows show that the PC60 does not reach the speed specified by the manufacturer, even with large files. It therefore peaks at the end of the starting point of SSDs tested so far. The exception is with the smallest files, where it achieves the second best result, which is quite surprising.

Write: synthetic tests

The results come from the AS SSD benchmark. The size of the library is set to 1 GB, which means that the measured values do not yet reflect the limitations resulting from the full SLC buffer, which is an integral part of most fast, cheaper SSDs with TLC memory.




Synthetic tests of writing show slightly better results than we have seen with the practical ones, but it still does not reach the speed stated in the paper specifications. We can also see from AS SSD that compared to NVMe SSD disks, the PC60 has a significantly slower access time, while TB3 models suffer from this too.


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