Product comparison · 2 optical disc drives

ASUS DRW-24B1ST optical disc drive Internal DVD±R/RW Black vs ASUS DVD-E818A4 optical disc drive Internal DVD±R/RW

29specifications compared
15differ
14identical
25known for one product only

Key differences

Interface
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:Serial ATA
- DVD-E818A4 optical disc drive Internal DVD±R/RW:EIDE/ATA
CD read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:40x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:48x
DVD-R Double Layer read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:12x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:8x
DVD-ROM read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:16x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:18x
DVD-RW read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:12x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:10x
DVD+R Double Layer read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:12x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:8x
DVD+RW read speed
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:12x
- DVD-E818A4 optical disc drive Internal DVD±R/RW:10x
DVD drive average random access time
- DRW-24B1ST optical disc drive Internal DVD±R/RW Black:140 ms
- DVD-E818A4 optical disc drive Internal DVD±R/RW:120 ms

Side by side

Differences highlightedShow differences only

Comparison of DRW-24B1ST, DVD-E818A4
54 specifications	A ASUS DRW-24B1ST optical disc drive Internal DVD±R/RW Black Model DRW-24B1ST View product	B ASUS DVD-E818A4 optical disc drive Internal DVD±R/RW Model DVD-E818A4 View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
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 speedKnown for one	12x	Unknown — not stated by the source
DVD+R write speedKnown for one	24x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	12x	Unknown — not stated by the source
DVD-R write speedKnown for one	24x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speed6 differ
CD read speedDiffers	40x	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 Double Layer read speedDiffers	12x	8x
DVD-ROM read speedDiffers	16x	18x
DVD-RW read speedDiffers	12x	10x
DVD+R Double Layer read speedDiffers	12x	8x
DVD+RW read speedDiffers	12x	10x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
Access time2 differ
DVD drive average random access timeDiffers	140 ms	120 ms
CD-ROM drive average random access timeDiffers	150 ms	120 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
Over-burn writingKnown 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 conditions2 differ
Operating relative humidity (H-H)Differs	15 - 80%	20 - 80%
Storage relative humidity (H-H)Differs	15 - 95%	-20 - 60%
Other features4 differ
Power requirementsDiffers	5 - 12V	DC+5V ±5%, DC+12V ±10%
Media types supportedDiffers	ACD, VCD, CD-I,CD-E, Photo-CD, CD-Text, CD-ROM/XA, DVD	Audio CD, Video CD, CD-I, CD-Extra, Photo CD, CD-Text, CD-ROM/XA, DVD Video
Minimum processorDiffers	Intel Pentium 300 MHz	Pentium, 300MHz
Compatible operating systemsDiffers	Windows Vista Windows XP Windows 2000	Windows XP/Vista
Buffer sizeKnown for one	Unknown — not stated by the source	198 KB

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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