The TESTED Apple A1379 MD564LL/A External USB SuperDrive CD DVD Optical Drive is a silver USB DVD drive specifically designed for Mac compatibility. It offers write speeds of up to 24x and a cache size of 2MB, making it suitable for burning DVDs and CDs at fast and efficient rates. With a compact form factor of 0.7 inches and a read speed of 500MB/s, this OEM Apple product is ideal for users seeking a reliable external optical drive for their computing needs.