To test the 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 the drive reading from & writing to a 2TB Kingston KC3000.
Transfer Details
Data file – 100GB.
File folder – 50GB – 28,523 files.
Movie demos 8K – 21GB – (11 demos).
Raw Movie Clips 4K – 16GB – (9 MP4V files).
Movie folder – 12GB – 15 files – (8 @ .MKV, 4 @ .MOV, 3 @ MP4).
Photo Folder – 10GB – 304 files – (171 @ .RAW, 105 @ JPG, 21 @ .CR2, 5 @ .DNG).
Audio Folder – 10GB – 1,483 files – (1479 @ MP3, 4 @ .FLAC files).
Single large image – 5GB – 1.5bn pixel photo.
The 2TB WD_Black SN8100 averaged 4,386MB when writing the 8 transfer tests, with the fastest being the 7,120MB/s for the 4K movie folder, with the slowest being the 50GB File Folder transfer at 554MB/s (97 sec).
Reading back the data, the average was 3,984MB/s, with the 5GB image transfer the fastest at 5,938MB/s and again, the slowest was the 50GB File Folder at 1,175MB/s.