Product comparison · 2 optical disc drives

NEC AD-5170 Beige vs NEC AD-7543A optical disc drive Internal Black

21specifications compared
13differ
8identical
13known for one product only

Key differences

Product colour
- AD-5170 Beige:Beige
- AD-7543A optical disc drive Internal Black:Black
Interface
- AD-5170 Beige:EIDE/ATA
- AD-7543A optical disc drive Internal Black:IDE/ATA
CD write speed
- AD-5170 Beige:48x
- AD-7543A optical disc drive Internal Black:24x
CD rewrite speed
- AD-5170 Beige:32x
- AD-7543A optical disc drive Internal Black:24x
DVD+R write speed
- AD-5170 Beige:18x
- AD-7543A optical disc drive Internal Black:8x
DVD-R Double Layer write speed
- AD-5170 Beige:8x
- AD-7543A optical disc drive Internal Black:4x
DVD-R write speed
- AD-5170 Beige:18x
- AD-7543A optical disc drive Internal Black:8x
CD read speed
- AD-5170 Beige:48x
- AD-7543A optical disc drive Internal Black:24x

Side by side

Differences highlightedShow differences only

Comparison of AD-5170 Beige, AD-7543A
34 specifications	A NEC AD-5170 Beige View product	B NEC AD-7543A optical disc drive Internal Black Model AD-7543A View product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Beige	Black
Disc loading type	Tray	Tray
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performance1 differ
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
InterfaceDiffers	EIDE/ATA	IDE/ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed5 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	24x
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 write speedDiffers	18x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	8x	4x
DVD-R write speedDiffers	18x	8x
DVD-RW write speed	6x	6x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
Reading speed1 differ
CD read speedDiffers	48x	24x
DVD+R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	180 ms
CD-ROM drive average random access timeDiffers	140 ms	150 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Fixed packetKnown for one	Yes	Unknown — not stated by the source
Multi session	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Variable packetKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	705 g	180 g
Other features2 differ
Media types supportedDiffers	DVD-ROM, DVD-R (DL ), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R, CD-RW 80mm/120mm	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-ROM, CD-R, CD-RW
Write methodsKnown for one	DAO, SAO, TAO zero gap, variable / fixed packet, multisession	Unknown — not stated by the source
Dimensions (WxDxH)Differs	148 x 175 x 42 mm	128 x 129 x 12.7 mm
Number of optical discsKnown for one	1 discs	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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