Today, TEAC CD-W540E was added at the certified BURN-Proof enabled CD-RW drives. The BURN-Proof center evaluates the quality of each drive that uses Sanyo Electric's BURN-Proof buffer-underrun technology and gives each drive the desired certificate. The TEAC CD-W540E was certified with 1.0A firmware and supports 4x, 8x, 16x, 20x, 24x, 32x, 40x writing and 4x, 10x(HS), 12x(HS) reading speeds.