Blackmagic Disk Speed Test is a handy cross-platform SSD speed testing tool, available for Windows and macOS. Readily available on the App Store, the software is predominantly for Mac users.

Want true next-gen SSD performance? Start with a compatible rig—and one of our top tested PCI Express 5.0 M.2 drives. Here's ...

The WD Black SN850X is the best SSD for most gamers as it's one of the fastest PCIe 4.0 SSDs you can buy, with fast sequential read and write speeds of 7,300MB/s and 6,600MB/s, respectively. More ...

The SSD can reach speeds up to twice as fast as Thunderbolt 4/USB4 SSDs, maxing out at over 6,000MB/s. In testing with an M4 Pro MacBook Pro with Thunderbolt 5, I didn't quite hit that maximum.

The actual connection speed of the drive itself is a bit lower than that theoretical maximum of 10 gigabit per second USB-C. With 250MB/s reads and 250MB/s writes on average, it's not what you'd ...