ASUS DRW-22B1LT Black/Silver vs ASUS DRW-22B1LT Black/White

Comparison of DRW-22B1LT Black/Silver, DRW-22B1LT Black/White

47 specifications	A ASUS DRW-22B1LT Black/SilverView product	B ASUS DRW-22B1LT Black/WhiteView product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Mounting	Vertical/Horizontal	Vertical/Horizontal
Performanceidentical
Interface	Serial ATA	Serial ATA
LightScribe	Yes	Yes
Drive device, buffer size	2 MB	2 MB
Optical disc diameter	120 mm	120 mm
Mean time between failures (MTBF)	60000 h	60000 h
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	48x	48x
CD-RW write speed	32x	32x
DVD+R Double Layer write speed	12x	12x
DVD+R write speed	22x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speed	22x	22x
DVD-RAM write speed	12x	12x
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	16x	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-ROM read speed	16x	16x
DVD-RW read speed	12x	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speed	12x	12x
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
Random write	Yes	Yes
Sequential writing	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Operational conditionsidentical
Operating relative humidity (H-H)	15 - 80%	15 - 80%
Operating temperature (T-T)	5 - 50 °C	5 - 50 °C
Storage relative humidity (H-H)	15 - 95%	15 - 95%
Storage temperature (T-T)	-40 - 65 °C	-40 - 65 °C
Weight & dimensionsidentical
Weight	650 g	650 g
Other featuresidentical
Power requirements	DC+5V ±5%,DC+12V ±10 %	DC+5V ±5%,DC+12V ±10 %
Media types supported	DVD-ROM,DVD+/-RW,DVD+/-R,Photo CD,Video CD,CD-DA,CD-Extra,CD-Text,CD-R,CD-RW,DVD-RAM	DVD-ROM,DVD+/-RW,DVD+/-R,Photo CD,Video CD,CD-DA,CD-Extra,CD-Text,CD-R,CD-RW,DVD-RAM
Dimensions (WxDxH)	41.3 x 146 x 170 mm	41.3 x 146 x 170 mm
Compatible operating systems	Windows 2000, Windows NT, XP, Vista	Windows 2000, Windows NT, XP, Vista

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.