The Western Digital WD_BLACK SN850X 1TB shows excellent performance when tested and impresses with its high speeds in both reading and writing with data rates of over 6 GB per second. It is a strong choice for demanding users looking for a fast and reliable storage solution. With a 5-year warranty, it promises longevity.

The Western Digital WD_Black SN850X is a further development of the SN850 and also benefits from a new SSD controller; the write speed increases to around 6.6 GB/s - just behind the fastest SSDs with a Phison E18 controller. When reading, the SN850X almost utilises the PCIe 4.0 interface with 7.4 GByte/s...