NVMe vs SATA SSD: Which Upgrade Does Your Laptop Need?

The SSD Speed Difference

Upgrading from a traditional Hard Drive (HDD) to a Solid State Drive (SSD) is the single biggest performance boost you can give a laptop. But when it comes to SSDs, there are two main protocols: SATA and NVMe.

SATA SSDs

SATA III SSDs cap out around 500-600 MB/s. They are available in the older 2.5-inch form factor (the exact size of a standard laptop HDD) as well as the M.2 stick format. If your laptop is older than 5 years, it likely relies on a 2.5-inch SATA drive.

NVMe SSDs

NVMe drives use the PCIe lanes on your motherboard, allowing for speeds from 3,000 MB/s up to 7,000+ MB/s. They are almost exclusively found in the M.2 form factor. Most modern laptops support NVMe, but installing a Gen 4 drive in a Gen 3 slot means you won't get maximum speed.

How to Verify Compatibility

Before purchasing a drive, you need to check your laptop's manual or use a tool like HWiNFO to check your motherboard's PCIe version and M.2 slot availability. Be warned: some budget laptops have M.2 slots that only support SATA M.2 drives, not NVMe!