GA11N 12.7mm SATA Slot Load for 661-5172 iMac 21.5" DVD±RW Burner Drive A1311 by Aokuntech

It is an Original HL GA11N 12.7mm Slot-in 8X DL DVD RW Burner Writer SATA Laptop Drive for Apple Mac iMac SATA Interface, 12.7 mm High, Slot-in-Loading Dimensions:128.0(W)mmx12.7(H)mmx129.0(D)mm Buffer Size: 2 MB Brand New,Never used. Compatibility: all use 12.7mm(Height) Slot Load SATA Drive Write Speed: DVD-RAM :5X DVD+R :8X DVD+R DL :4X DVD-R DL :4X DVD+RW :8X DVD-R :8X DVD-RW :6X CD-R :24X CD-RW :24X Read Speed: DVD-ROM/DL: 8X CD-R:24X CD-RW: 24X CD-ROM: 24X Package Included: 1pcs NEW HL GA11N DVD RW Burner SATA Drive