G-flat6 suspended 4th chord
G-flat6 suspended 4th guitar chord is also written as G♭6sus4.
Guitar chords chart for G-flat6 suspended 4th chord with suggested finger positions on the guitar fretboard is shown below.
View 6 suspended 4th chord for guitar with other root notes
C - D - E - F - G - A - B - C♯ - D♯ - F♯ - G♯ - A♯ - D♭ - E♭ - G♭ - A♭ - B♭