Both, Saguna (qualified Brahman) and Aguna (or Nirguna - unqualified Brahman) are Akath (unspeakable), Agaadh (unfathomable), Anaadi (without beginning, in existence since eternity) and Anupa (without parallel) (अगुन सगुन दुइ ब्रह्म सरूपा। अकथ अगाध अनादि अनूपा॥).