Don't think so. I maintained multi-vendor NAS'es and always try to be up-to-date.

Do you mean QNAP? Last year they started offering new enterprise NAS with custom OS built on top of BSD kernel

> QNAP Enterprise Storage(QES) operating system, which is based on the simple and efficient FreeBSD kernel and the ZFS file system

https://www.qnap.com/en/product/model.php?II=246