QNAP TS-451A-4G 4-bay NAS review

To test the QNAP TS-451A-4G we used four WD 6TB Red drives (WD60EFRX, 5,400rpm class, 64MB cache), built into all the RAID arrays supported by the device; RAID 0,1, 5,6 and 10 and then tested.

Software:
Atto Disk Benchmark.
CrystalMark 3.0.3.
IOMeter.
Intel NASPT.

To test real life file/folder performance we use a number of different file/folder combinations to test the read and write performance of the NAS device.  Using the FastCopy utility to get a MB/s and time taken for each transfer, the data is written from and read back to a 240GB SSD.
60GB Steam folder: 29,521 files.
50GB Files folder: 28,523  files.
12GB Movie folder: 24 files – mix of Blu-ray and 4K 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.

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