NEC L320 - Manual (Page 164)

Specifications B-7
DVD-ROM and CD-RW Combination Drive
T Housed in NEC VersaBay IV slot
T Data capacity
— DVD, 2,048 bytes/block
— CD, 2048 bytes/block (mode 1), 2,336 bytes/block (mode 2)
T Rotational speed
— DVD, 3,792 (2.5 – 6X CAV)
— DVD-Video, 1,377-2,222 rpm (1.6X – 2.4X PCAV)
— CD, 5,100 rpm (10.3 – 24X CAV)
— CD-RW, 1,200 – 2000 rpm (4 – 5.7X PCAV)
— Video-CD, 1,200 – 2000 rpm (4 – 5.7X PCAV)
— CD-R/CD-RW (Write), 850 – 1,980 rpm (4X CLV)
420 – 990 rpm (2X CLV)
T Sustained data transfer rate
— DVD, 3,357 – 8,112 kbytes/sec (2.5 – 6X CAV)
— DVD-Video, 2,163 – 3,245 kbytes/sec (1.6X – 2.4X PCAV)
— CD, 1,552 – 3,600 kbytes/sec, mode 1 (10.3X – 24X CAV)
1,769 – 4,104 kbytes/sec, mode 2 (10.3X – 24X CAV)
T Access time (typical)
— Average random access, 120 ms (DVD), 110 ms (CD)
— Average random seek, 115 ms (DVD), 105 ms (CD)
— Average full stroke, 180 ms (DVD), 170 ms (CD)
T Spin up, 2.5s (DVD), 2.0s (CD)
T Data buffer, 2 MB
T Power Supply, +5V
T Dimensions (W x H x D)
— 5.04 x .5 x 4.96 in.
— 128 x 12.7 x 126.1 mm