Specifications
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Feature Description
Manufacturer Toshiba
Model SD-R6372
Data capacity (bytes per block)
DVD-ROM 2,048 bytes per block
DVD-RAM 2,048 bytes per block
CD-ROM 2,048 bytes per block (mode 1), 2,336 bytes per block (mode 2)
Rotational Speed (approximate)
  • DVD (Single): 4,670 rpm (3.3 - 8X CAV)
  • DVD (Dual): 3,792 rpm (2.5 - 6X CAV)
  • DVD-R version 1.0: 2,560 rpm (1.7 - 4X CAV)
  • DVD-R version 2.1: 2,224 rpm (1.7 - 4X CAV)
  • DVD-RW version 1.1: 2,224 rpm (1.7 - 4X CAV)
  • DVD+R: 2,224 rpm (1.7-4X CAV)
  • DVD+RW: 2,224 rpm (1.7-4X CAV)
  • DVD-RAM Version 2.1: 1,400-3,300 rpm (2X ZCLV)
  • DVD-R version 2.1 (Write): 570 - 1,390 rpm (1X CLV)
  • DVD-R version 2.1 (Write): 1,140 - 2,780 rpm 2X CLV)
  • DVD-RW (Write): 570 - 1,390 rpm (1X CLV)
  • DVD-RW (Write): 1,140-2,780 rpm (2X CLV)
  • DVD+R (Write): 2,300-3,980 rpm (2.4X, 4X ZCLV) Approx. 1,380-3,330 rpm (2.4X CLV)
  • DVD+R (Write): 1,380-3,330 rpm (2.4X CLV)
  • DVD+RW (Write): 1,380-3,330 rpm (2.4X CLV)
  • CD-ROM, CD-R: 5,250 rpm (10.3 - 24X CAV)
  • Ultra speed CD-RW: 2,560-4,300 rpm (8-12X PCAV)
  • High speed CD-RW: 2,560-4,300 rpm (8-12X PCAV)
  • CD-RW: 1,200-2,000 rpm (4-6X PCAV)
  • CD-DA Transfer: 2,560-4,300 rpm (8-12X PCAV)
  • CD-DA, Video-CD: 1,200-2,000 rpm (4-6X PCAV)
  • CD-R (Write): 2,648-3,973 rpm (8,12,16X ZCLV)
  • CD-R (Write): 2,568-3,973 rpm (8,12X ZCLV)
  • CD-R (Write): 1,700-3,960 rpm (8X CLV)
  • CD-R (Write): 850-1,980 rpm (4X CLV)
  • Ultra speed CD-RW (Write): 2,125-4,950 rpm (10X CLV)
  • High speed CD-RW (Write): 2,125-4,950 rpm (10X CLV) Approx. 850-1,980 rpm (4X CLV)
  • CD-RW (Write): 850-1,980 rpm (4X CLV)
Transfer rate
DVD (single) CAV 2,230 - 5,480 Block/s
DVD (dual layer) CAV 1,690 - 4,056 Block/s
DVD-R, DVD-RW CAV 1,082 - 2,704 Block/s
DVD-RAM (version 2.1) ZCLV 1,352 Block/s
CD CAV 776 - 1,800 Block/s
PCAV 300 - 428 Block/s
CD-RW PCAV 300 - 450 Block/s
Sustained data transfer rate
DVD (single) CAV 4,416 - 10,816 KBytes/s
DVD (dual layer) CAV 3,380 - 8,112 KBytes/s
DVD-R, DVD-RW CAV 2,163 - 5,408 KBytes/s
DVD-RAM (version 2.1) ZCLV 2,704 KBytes/s
CD Mode-1 CAV 1,545 - 3,600 KByte/s (PCAV 600 - 900 KBytes/s)
Mode-2 CAV 1,761 - 4,104 KByte/s (PCAV 684 - 1,026 KBytes/s)
CD-RW Mode-1 PCAV 600 - 900 KByte/s
Mode-2 PCAV 684 - 1,026 KByte/s
Burst Data Transfer Rate 16.7 MByte/s (PIO Mode 4 )
16.7 MByte/s ( Multiple word DMA transfer mode-2)
33.3 MByte/s (Ultra DMA )
Average Random Access Time
DVD 120 ms
CD 105 ms
DVD-RAM 250 ms
Average Random Seek
DVD 110 ms
CD 100 ms
DVD-RAM 200 ms
Average Full Stroke
DVD 205 ms
CD 180 ms
DVD-RAM 450 ms
Data buffer 2 MB
Power supply +5 V, ±5%
Environmental conditions
Operating temperature 5 to 50°C
Storage Temperature -10 to 60°C
Operating Humidity 8 to 80%
Storage Humidity 5 to 95%
Dimensions (W × H × D) 128 mm × 12.7 mm × 126.1 mm
Weight 0.197 kilograms