DESC: E A C s internal 52x32x52 CD-RW drive and external USB 2.0 CD-RW drive delivers TEAC superior reliability, high performance and easy-to-use software bundle. They both write to CD-R at 52X, rewrites to CD-RW at 32X and reads data at a maximum 52X speed. In addition, both drives rip audio CDs at a 52X speed, reads data at 52X and delivers a 100ms average access time, resulting in an unsurpassed performance.