Lite-On SOHR-5239S-RET-B 52x Internal CD-RW Drive Internal CD-RW drive with ATAPI/E-IDE interface 52x write, 32x rewrite, and 52x read speeds Smart-Burn technology checks media quality and sets limits to ensure successful writing and data retainability Supports CD, CD-R and CD-RW discs Plug and Play Device with emergency manual eject function