One of the differences between SSD and traditional hard drives is that they cannot be overwritten as usual.
The principle so far was that Windows marked the files they marked as deleted and no longer displayed them, but the files remained on the hard drive until they were overwritten. SSDs must be actively deleted and cannot be overwritten beforehand, which can lead to a slowdown of up to 30%.
To resolve this reduction, you can simply execute the so-called TRIP command. To check if your SSD is TRIM compatible and Windows 7 can perform the command correctly, follow these steps:
Install the freeware Crystal Disk Info. Afterwards, the tool starts and provides you with various information about your SSD, such as the entry “TRIM” which you can find under “Properties”.
Now to see if Windows 7 also supports TRIM, open Device Manager, go to “THE ATA/ATAPI Controllers” – “PCI-THE Controllers” – “Properties”. Then go to “Driver” and “Driver Details”. Now you can see which driver Windows uses to address the SSD. If you read „C:\Windows\(…)\pciide.sys“ or „C:\Windows\(…)\msahci.sys“, you can assume that the driver can be executed.
To ensure a long functionality of your SSD, you can optionally deactivate some services.
Basically, Windows launches services such as defragmentation, which only damage the SSD but do not increase speed because SSDs are accessed at the same speed.