Product comparison · 2 optical disc drives

ASUS DRW-22B2S optical disc drive Internal Black vs ASUS DRW-22B2ST optical disc drive Internal Black

29specifications compared
3differ
26identical
17known for one product only

Key differences

Interface
- DRW-22B2S optical disc drive Internal Black:IDE/ATA
- DRW-22B2ST optical disc drive Internal Black:Serial ATA
Power requirements
- DRW-22B2S optical disc drive Internal Black:DC+5V ±5%,DC+12V ±10 %
- DRW-22B2ST optical disc drive Internal Black:DC+5V ±5%, DC+12V ±10 %
Dimensions (WxDxH)
- DRW-22B2S optical disc drive Internal Black:146 x 170 x 41.3 mm
- DRW-22B2ST optical disc drive Internal Black:146 x 41.3 x 170 mm

Side by side

Differences highlightedShow differences only

Comparison of DRW-22B2S, DRW-22B2ST
46 specifications	A ASUS DRW-22B2S optical disc drive Internal Black Model DRW-22B2S View product	B ASUS DRW-22B2ST optical disc drive Internal Black Model DRW-22B2ST View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	70000 h
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speedKnown for one	48x	Unknown — not stated by the source
CD-RW write speedKnown for one	32x	Unknown — not stated by the source
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 speedKnown for one	40x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
DVD+R read speed	16x	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-RW read speed	12x	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speed	12x	12x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	12x
Access timeidentical
DVD drive average random access time	160 ms	160 ms
CD-ROM drive average random access time	140 ms	140 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 50 °C	5 - 50 °C
Storage temperature (T-T)	-40 - 65 °C	-40 - 65 °C
Weight & dimensionsidentical
Weight	650 g	650 g
Other features2 differ
Power requirementsDiffers	DC+5V ±5%,DC+12V ±10 %	DC+5V ±5%, DC+12V ±10 %
Dimensions (WxDxH)Differs	146 x 170 x 41.3 mm	146 x 41.3 x 170 mm
Compatible operating systemsKnown for one	Windows 2000, Windows NT, XP, Vista	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	60000 dB	Unknown — not stated by the source
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Nero 8

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.

More optical disc drive comparisons

All optical disc drive comparisons