Product comparison · 2 optical disc drives

ASUS BW-12B1LT optical disc drive Internal Black vs ASUS DRW-22B3S optical disc drive Internal Black

26specifications compared
12differ
14identical
29known for one product only

Key differences

Interface
- BW-12B1LT optical disc drive Internal Black:Serial ATA
- DRW-22B3S optical disc drive Internal Black:EIDE/ATA
Drive device, buffer size
- BW-12B1LT optical disc drive Internal Black:8 MB
- DRW-22B3S optical disc drive Internal Black:2 MB
DVD+R Double Layer write speed
- BW-12B1LT optical disc drive Internal Black:8x
- DRW-22B3S optical disc drive Internal Black:12x
DVD+R write speed
- BW-12B1LT optical disc drive Internal Black:16x
- DRW-22B3S optical disc drive Internal Black:22x
DVD-R Double Layer write speed
- BW-12B1LT optical disc drive Internal Black:8x
- DRW-22B3S optical disc drive Internal Black:12x
DVD-R write speed
- BW-12B1LT optical disc drive Internal Black:16x
- DRW-22B3S optical disc drive Internal Black:22x
DVD-R read speed
- BW-12B1LT optical disc drive Internal Black:15x
- DRW-22B3S optical disc drive Internal Black:16x
DVD drive average random access time
- BW-12B1LT optical disc drive Internal Black:150 ms
- DRW-22B3S optical disc drive Internal Black:160 ms

Side by side

Differences highlightedShow differences only

Comparison of BW-12B1LT, DRW-22B3S
55 specifications	A ASUS BW-12B1LT optical disc drive Internal Black Model BW-12B1LT View product	B ASUS DRW-22B3S optical disc drive Internal Black Model DRW-22B3S View product
Performance2 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer sizeDiffers	8 MB	2 MB
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
Writing speed4 differ
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
DVD+R Double Layer write speedDiffers	8x	12x
DVD+R write speedDiffers	16x	22x
DVD-R Double Layer write speedDiffers	8x	12x
DVD-R write speedDiffers	16x	22x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
BD-R write speedKnown for one	12x	Unknown — not stated by the source
BD-RE write speedKnown for one	2x	Unknown — not stated by the source
Reading speed1 differ
CD read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
DVD-R read speedDiffers	15x	16x
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
BD-R Dual Layer read speedKnown for one	8x	Unknown — not stated by the source
BD-R read speedKnown for one	8x	Unknown — not stated by the source
BD-RE Dual Layer read speedKnown for one	6x	Unknown — not stated by the source
BD-RE read speedKnown for one	8x	Unknown — not stated by the source
BD-ROM read speedKnown for one	8x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	150 ms	160 ms
CD-ROM drive average random access timeDiffers	150 ms	140 ms
BD-ROM average random access timeKnown for one	250 ms	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Operating temperature (T-T)Differs	5 - 50 °C	5 - 45 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	15 - 90%
Other features2 differ
Power requirementsKnown for one	Unknown — not stated by the source	+5V ±5%, +12V ±10%
Dimensions (WxDxH)Differs	146 x 170 x 41 mm	1460 x 1700 x 410 mm
Minimum RAMKnown for one	Unknown — not stated by the source	128 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium 300 MHz
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	10 GB
Compatible operating systemsDiffers	Windows XP/Vista/7	Windows 7/Vista/XP
Power supply typeKnown for one	Unknown — not stated by the source	DC
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
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

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.

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