Toshiba SD-C2732 user manual Reliability, Environmental

Transfer Rate
DVD (Single)	4,460		– 10,816 Kbytes/s
DVD (Dual)	3,380		– 8,112 Kbytes/s
DVD±R/±RW	2,298		– 5,408 Kbytes/s
DVD+R Double Layer	2,298		– 5,408 Kbytes/s
DVD-RAM (Ver 2.1)	2,704		Kbytes/s
CD (mode 1)	1,546		– 3,600 Kbytes/s
CD (mode 2)	1,761– 4,104 Kbytes/s
Rotational Speed
DVD single layer:	4,670rpm (3.3X – 8X)
DVD dual layer:	3,792rpm (2.5X – 6X)
DVD-R (ver 1.0)	2,560rpm (1.7 – 4X)
DVD-R (ver 2.1)	2,224rpm (1.7 – 4X)
DVD±RW, DVD+R, DVD+R DL	2,224rpm (1.7 – 4X)
DVD-RAM (ver 2.1):	1,380		– 3,300rpm (2X)
CD-ROM, CD-R, CD-RW:	1,200		– 2,000rpm (4X – 5.7X)
CD-DA, Video-CD	1,700rpm (3.3 – 8X)
CD-DA Transfer:	2,200		– 5,100rpm (10X)
Burst Data	16.7 Mbytes/s
Transfer Rates	16.7 Multi-word DMA
	33.3 Ultra DMA
Random Access Time
DVD-ROM	110ms (3.3X – 8X)
CD-ROM	110ms (10.3X – 24X)
DVD-RAM	140ms (2X)
Data Buffer	256Kbytes
Reliability
MTBF	60,000 hours
User Error Rates (with up to 5 retries and layered ECC on)
DVD Hard Error Rate:	10-15	max
CD Hard Error Rate: mode 1	10-15	max
CD Hard Error Rate: mode 2	10-12	max
Seek Error Rate (allowing 10 retries)	10-6	max
Environmental
Ambient Temperature
Operating	5° to 50° C (41° to 122° F)
Storage	-20° to 65° C (-4° to 149° F)
Shipping	-40° to 65° C (-40° to 149° F)
Relative Humidity
Operating	8% to 80%
Storage/Shipping	5% to 95% (wet bulb 40° C max)
Acoustical Noise	40dB

8