Original New 12.7mm SATA 8X DVD RW Burner SuperDrive Optical Drive Replacement for iMac Intel 27" EMC 2429 A1312 21.5" EMC 2389 A1311 2428 Manufacturer: Sony Nec Condition: Brand New never used, without original manufacturer packaging SATA interface, Slot-loading, 12.7mm in height, Without Bezel or eject button. 1 Year Warranty 678-0587D, Special for iMac Intel 27" EMC 2429 A1312 21.5" EMC 2389 A1311 2428 Speed: 5x DVD-RAM write 8x DVD+R write (SL) 8x DVD-R write (SL) 6x DVD-R write (DL) 6x DVD+R write (DL) 6x DVD-RW write 8x DVD+RW write 24x CD-R write 24x CD-RW write 8x DVD read 24x CD read