The advantages of SSDs are clear: they’re exponentially faster, they’re entirely silent, they’re more durable, and they’re immune from issues like fragmentation.Īs with any new technology, they were fairly rare until recently because of their high prices. Unlike their disk-based predecessors, SSDs are more like a series of very high performance USB keys squished together. It’s like having a series of very high performance USB keys squished into a box. This is broadly true, and I will show you how to check for and enable TRIM support on your drives, but first it’s important to take a step back and understand what we’re talking about.Īn HDD encodes data onto a magnetic coating on a spinning disk inside the drive.Īn SSD, on the other hand, is just a network of flash memory cells assembled into a drive enclosure, meaning it has no moving parts.

You’ve probably heard that SSDs have a lifespan, and that you can prolong that lifespan by enabling something called TRIM. How to Check and Enable TRIM on a Mac SSD SSDs vs. How to Check and Enable TRIM on a Mac SSD

Enable trim mac os x 10.7.5