ASUS DVD-E818AT optical disc drive Internal vs ASUS Multi DVD±R/RW Drive

Comparison of DVD-E818AT, Multi DVD±R/RW Drive

25 specifications	A ASUS DVD-E818AT optical disc drive Internal Model DVD-E818AT View product	B ASUS Multi DVD±R/RW DriveView product
Designidentical
Internal	Yes	Yes
MountingKnown for one	Vertical/Horizontal	—Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	IDE/ATA
Mean time between failures (MTBF)	100000 h	100000 h
Drive device, buffer sizeKnown for one	—Unknown — not stated by the source	0.18 MB
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
DVD+R write speedKnown for one	—Unknown — not stated by the source	18x
DVD-R write speedKnown for one	—Unknown — not stated by the source	18x
Reading speedidentical
CD read speed	48x	48x
DVD-RAM read speedKnown for one	5x	—Unknown — not stated by the source
DVD-ROM read speedKnown for one	18x	—Unknown — not stated by the source
Access timeidentical
DVD drive average random access time	105 ms	105 ms
CD-ROM drive average random access time	95 ms	95 ms
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	20 - 80%	—Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	—Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	15 - 85%	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
Weight	650 g	650 g
Other featuresidentical
Power requirementsKnown for one	DC+5V +/- 5%, DC+12v +/- 10%	—Unknown — not stated by the source
Dimensions (WxDxH)	42.3 x 172.4 x 148 mm	42.3 x 172.4 x 148 mm
Buffer sizeKnown for one	198 KB	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows XP, ME, 2000, 98, VISTA	—Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	16.6 MB	—Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	100 MB	—Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.