Use Qnap NAS for VM production storage?

Hi -

Has anyone any experience using a Qnap NAS (like TS-EC1679U-RP ) as NFS storage for VMs in production?
I thought of use SEAGATE Constellation ES 7200 3TB HDD 7200rpm SATA serial ATA 6Gb/s 64MB cache disks.

Kind r

Bjørn-Tore