TTYK0 - Dell Inspiron 15R (5521 / 5537 / 5535) SATA DVD+RW / CDRW Dual Layer Burner Drive Module - TTYK0 - DDTH2 Burn CD's and DVD's, Play/Read CD's and DVD's Write Speed: DVD-R: 8x max. DVD+R: 8x max ; DVD-RW: 6x max. DVD+RW: 8x max ; DVD-R DL: 6x max. DVD+R9: 6x max ; CD-R: 24x max. CD-RW: 24x max Compatible with Dell Inspiron 15R model 5521, 5535, and 5537 Size: 9.5mm Thick Comes with Dell front faceplate and tail