What is Interface: PCIe 3.0 / 4.0 / 5.0 NVMe vs SATA?
How the drive talks to the computer.
Short answer
PCIe 5.0 runs hot and rarely speeds up everyday work — check your slot supports it.
Interface: PCIe 3.0 / 4.0 / 5.0 NVMe vs SATA when buying a ssd, hard drive & memory card
How the drive talks to the computer.
Why it matters: PCIe 4.0 (5,000–7,400 MB/s) is the value sweet spot; SATA caps at ~550 MB/s.
Look for: PCIe 5.0 runs hot and rarely speeds up everyday work — check your slot supports it.
Full SSD, Hard Drive & Memory Card buying guide