The 1:5 DVD/CD Auto Copy Tower is optimized for duplicating speed with a fast robotic loading mechanism and it has no built in printer to limit throughput. The Aleratec 1:5 DVD/CD Auto Copy Tower automatically duplicates DVDs or CDs with no operator intervention required. Load a source disc image to the built in 160GB HDD and up to 200 pieces of blank media and it will duplicate up to 200 discs per job completely unattended. With the DVD/CD Auto Copy Tower you can duplicate DVDs at speeds up to 16x and also copy up to 8.5GB on Double Layer Media at up to 4x. It will make 5 simultaneous copies of two hours of video in as few as 5 minutes Then the 1:5 DVD/CD Auto Copy Tower will reload and copy again. That is close to one DVD copy per minute. - Robotic DVD/CD Duplicator Highest throughput in its class Production capacity up to 200 unattended copies 5 simultanious DVDs or 5 simultaneous CDs per cycle for throughput of about 50 typical DVDs per hour or 100 typical CDs per hour - Built in 160GB Hard Drive for storage of frequently used masters, (160) CD masters or (32) 4.7GB DVD masters or (17) DVD Double Layer Masters - DVD Copies at up to 16x or CD copies at up to 48x - Supports all popular DVD formats. Duplicates using DVD-R, DVD+R, DVD+R DL, DVD-RW and DVD+RW blank media - Powerful Control Features with back lighted LCD Display and intuitive menu maximizing copy control, flexibility, and output - Professional Black to complement office or computer room - Completely Stand Alone, no computer required -Data Writing Speeds DVD+R 16x, DVD-R 16x, DVD+R Double Layer 4x, DVD+RW 8x, DVD-RW 6x, CD-R 48x, CD-RW 24x -Data Reading Speed DVD-ROM 16x, CD-ROM 48x