Performance Boost with VeraCrypt?!

VeraCrypt – Free Open Source Storage Device Encryption
(with strong security for the paranoid!) – Their words, not mine lol.

Has anyone else noticed a performance boost in reading from and writing to a VeraCrypt encrypted storage device?

Let’s run some tests and see if there really is any difference..

Here are the specifications for the  test drive:

  • Seagate 10TB internally SATA-III 6gbs connected.
  • Model ST10000NM0016-1TT01
  • ReFS formatted.

Baseline Benchmark…Random data 5x1GB (ST10000NM0016-1TT01)

And the VeraCrypt volume, mounted on the same hardware…VeraCrypt 5x1GB (ST10000NM0016-1TT01)

Those sequential reads and writes sure look a lot faster!

Hmm. Now, let’s try a windows copy file function on “install4.dat” (15.3GB)… Windows 10 Task Manager only reported ~230 MB/s writing to the destination drive.

The results are back, and holy cow the copy itself was much faster than the benchmark reported by CrystalDiskMark. Robocopy reported 458.8 MB/s! This was a test file copying from a PCIe4 SSD to a 10TB spinning rust bucket.. still, what gives? What is correct??

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