5 disc to 1 CD burner. CD, CD-R, CD-RW, MP3 playback capable. Analog RCA, Digital Optical In's & Out's. One of the best, reliable, products done by Sony, unit is known to last to last for 500 to 800 discs! Writes excellent consumer grade discs. New unit but has scuffed up box minor scuff on top cover. 10 condition with remote.