ASUS DVD+/-RW 20x20x12x12 Double Layer, E-IDE/PATA vs ASUS DVD+/-RW 20x20x12x12 Double Layer, SATA

Comparison of DVD+/-RW 20x20x12x12 Double Layer, E-IDE/PATA, DVD+/-RW 20x20x12x12 Double Layer, SATA

47 specifications	A ASUS DVD+/-RW 20x20x12x12 Double Layer, E-IDE/PATAView product	B ASUS DVD+/-RW 20x20x12x12 Double Layer, SATAView product
Designidentical
Internal	Yes	Yes
Disc loading type	Tray	Tray
Mounting	Vertical/Horizontal	Vertical/Horizontal
Performance1 differ
InterfaceDiffers	IDE/ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Optical disc diameter	120 mm	120 mm
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	32x	32x
CD-RW write speed	32x	32x
DVD+R Double Layer write speed	8x	8x
DVD+R write speed	20x	20x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	8x	8x
DVD-R write speed	20x	20x
DVD-RAM write speed	14x	14x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
CD-R read speed	40x	40x
CD-ROM read speed	48x	48x
CD-RW read speed	40x	40x
DVD+R read speed	12x	12x
DVD-R Double Layer read speed	8x	8x
DVD-R read speed	12x	12x
DVD-RAM read speed	12x	12x
DVD-ROM read speed	16x	16x
DVD-RW read speed	8x	8x
DVD+R Double Layer read speed	8x	8x
DVD+RW read speed	8x	8x
Access timeidentical
DVD drive average random access time	140 ms	140 ms
CD-ROM drive average random access time	150 ms	150 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Multi session	Yes	Yes
Packet writing	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Operational conditionsidentical
Operating relative humidity (H-H)	5 - 85%	5 - 85%
Operating temperature (T-T)	5 - 45 °C	5 - 45 °C
Storage relative humidity (H-H)	5 - 90%	5 - 90%
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Weight & dimensionsidentical
Weight	690 g	690 g
Other featuresidentical
Power requirements	DC+5V ±5%, DC+12V ±10 %	DC+5V ±5%, DC+12V ±10 %
Media types supported	DVD+RW, DVD+R, DVD-R-R, DW, CD-R, CD-RW, High Speed CD-RW, Mini-CD	DVD+RW, DVD+R, DVD-R-R, DW, CD-R, CD-RW, High Speed CD-RW, Mini-CD
Logical recording formatKnown for one	—Unknown — not stated by the source	DVD+R/RW/DVD-R/RW/ DVD-RAM
Dimensions (WxDxH)	148 x 172.4 x 42.3 mm	148 x 172.4 x 42.3 mm
Compatible operating systems	Windows XP/NT/2000/VISTA	Windows XP/NT/2000/VISTA
Total storage capacity	8.5 GB	8.5 GB

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.