If you're upgrading from a SATA SSD, it'll almost certainly be to an NVMe-based M2 SSD. It can significantly improve your system's performance, even for general tasks.

Although, at first glance both SATA and PCIe M.2 may look alike, their connector will reveal their difference; whereas SATA SSD come equipped with B+M keys, PCIe drives make use of an M key.

As for one type of SSD vs another, probably like the RAM. I have a PCIe 4x SSD (WD_BLACK 500GB SN770), an M2 SATA one (an older Samsung), and a SATA one (Crucial).

Patriot's Ignite M2 SATA III SSD is available in two capacities: 240GB, and 480GB. Sequential read performance for the Ignite M2 SSD is listed at up to 560MB/s.

The SATA m.2 drives are just SATA like the 2.5 inch SATA drives, same interface and protocol and speed. Any decent quality SATA SSD will be much, much faster than a spinning drive.

While searching for the best SSD, we landed on the Lexar NM790, as it offers 4TB for less than $300. After all our tests, it was either in line with our other top performers or it was better.

Samsung recently launched its latest SATA-based solid state drives, the SSD 860 Pro and SSD 860 EVO, featuring 2-bit (MLC) or 3-bit (TLC) versions of the company’s 64-layer 3D V-NAND flash ...

Plextor was first to market with their new next generation SATA 6G SSD (the Crucial C300 was a previous generation), but they are the last to get a product in our hands.

From SATA to NVMe, PCIe Gen 3 and Gen4, SSDs come in various shapes, speeds, and, most importantly, price points, which can make finding the best SSD for gaming a little confusing.