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To test real life performance of a drive we use a mix of folder/file types and by using the FastCopy utility (which gives a time as well as MB/s result) we record the performance of drive reading from & writing to a 256GB Samsung SSD850 PRO.
100GB data file.
60GB iso image.
60GB Steam folder – 29,521 files.
50GB File folder – 28,523 files.
21GB 8K Movie demos.
12GB Movie folder – 24 files (mix of Blu-ray and 4K files).
11GB 4K Raw Movie Clips (8 MP4V files).
10GB Photo folder – 621 files (mix of png, raw and jpeg images).
10GB Audio folder – 1,483 files (mix of mp3 and .flac files).
5GB (1.5bn pixel) photo.
The drive handles large file sizes a lot more effectively than smaller ones, as can be seen by the 500MB/s+ figures for the tests made up of larger files (ISO image, 4K movie clips and 8K Movie scenes etc).
To get a measure of how much faster PCIe NVMe drives are than standard SATA SSD's we use the same files but transfer to and from a 512GB Toshiba OCZ RD400.
To give a better idea of just how much faster going from NVMe to NVMe drive is, as opposed to going from a standard SATA SSD, the 1000GB data file took 3m 11s to transfer from the SATA SSD to the Kingston KC2000 and 3m 41s to go the other way. When the same file was written to the NVMe drive from the Kingston 2000 it took a mere 48s to read and just 1m 12s to write to the Kingston drive.
