Manufacturer NEC Corporation Model Number ND-3450A Type Internal type Interface Enhanced-IDE (ATAPI) Data buffer memory 2MB DVD data Transfer Rate Sustained: 6.6-16X CAV: 9-22MB/sec 3.3-8X CAV: 4.5-11MB/sec 3-7X CAV: 4.1 -10MB/sec 2-5X CAV: 2.7-6.9MB/sec CD data Transfer Rate Sustained: 20-48X CAV: 3000-7200KB/sec 17-32X PCAV: 2550-4800KB/sec 13-32X CAV: 1950-4800KB/sec 8X CLV: 1200KB/sec Burst (ATAPI): 33.3MB/sec (UltraDMA33 Mode 2) 16.67MB/sec (PIO Mode 4, MULTI-DMA Mode 2) Average access time DVD CD Random 140m sec. Random 120m sec. DAE (Digital Audio Extraction) transfer rate 13-32X CAV:1950-4800KB/sec