Qnap announce several months ago that the are going to support VMware VAAI
After installing firmware 3.8.2 on my Turbo NAS (TS-EC1279U-RP)
VAAI is fully supported as you can see in the attached bitmap
VAAI is a great feature that helps to offload IO activity and CPU overhead to the storage Array, supporting both VMFS and NFS, and can increase some disk activities up to 500%!!
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