Aluratek AEOD100F. Product color: Black, Disc loading type: Tray. CD write speed: 24x, DVD+R write speed: 8x, CD rewrite speed: 24x. CD read speed: 48x. Minimum system requirements: USB 2.0 port, Compatible operating systems: Windows 98SE, NT, 2000, XP, Server 2003, Vista MAC 10.4+
ASUS DRW-24F1ST. Product color: Black, Disc loading type: Tray, Mounting: Vertical/Horizontal. Purpose: Desktop, Optical drive type: DVD Super Multi DL, Interface: Serial ATA. CD write speed: 48x, DVD+R write speed: 24x, CD rewrite speed: 24x. CD read speed: 48x, CD-R read speed: 48x, CD-RW read speed: 40x. DVD drive average random access time: 130 ms, CD-ROM drive average random access time: 170 ms