Size4KWrite

Size4KWrite is a free program that measures the speed and performance of your hard drive.

Size4KWrite writes many files with 16 threads and 32 queues and 4 KiB (File Size) of random data to the drive without buffering, then calculates MB/s based on milliseconds used to finish all operations.


It is good for healthy measurement that you do not take any action while making this calculation.

You can see your processor, motherboard, video card, RAM, and some system information about your operating system and build.

Click Start with the very easy to use program. Ten tests are performed in about a minute. You can see the past MS at the top and use that as your benchmark score. You can then look at comparisons with other drivers and save a screenshot. One problem is figuring out why some drivers are so much faster than mine when I have a fairly high end computer. Also no suggestions on how to find bottlenecks in your SSD drive.