The speeds are decent for an SSD and definitely great for a PS4: about 550MB/s read speed, and 460MB/s write speed. Image 1 of 1 (Image credit: Seagate) 3. Seagate FireCuda 2.5" 2TB SSHD.

Today's fastest internal SSDs for consumers come in the super-small "gumstick" M.2 format. Here's how to buy the right M.2 SSD, along with deep-dive reviews of today's top models.