SSD: Enable Write Caching? The Difference Write Caching Makes

I got a new SSD. It’s a Plextor M5 Pro 256 GB (PX-256M5P). I followed some guide on how to optimize your system for SSDs. One of its suggestions is to disable write-caching on the drive. Here are my benchmarks.

Write-Caching disabled:

Write-caching enabled:

Device Manager, with Write-Caching enabled:

Moral of the story: Don’t disable write caching. 🙂