Product comparison · 2 optical disc drives

NEC AD-5170 optical disc drive Internal DVD-RW vs NEC AD-7173 Black

16specifications compared
2differ
14identical
20known for one product only

Key differences

Interface
- AD-5170 optical disc drive Internal DVD-RW:EIDE/ATA
- AD-7173 Black:Serial ATA
Dimensions (WxDxH)
- AD-5170 optical disc drive Internal DVD-RW:148 x 42 x 175 mm
- AD-7173 Black:148 x 175 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of AD-5170, AD-7173 Black
36 specifications	A NEC AD-5170 optical disc drive Internal DVD-RW Model AD-5170 View product	B NEC AD-7173 Black View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Mounting	Vertical/Horizontal	Vertical/Horizontal
Performance1 differ
Optical drive type	DVD-RW	DVD-RW
InterfaceDiffers	EIDE/ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Burst transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R write speed	18x	18x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	8x	8x
DVD-R write speed	18x	18x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
Access timeidentical
DVD drive average random access time	160 ms	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
Access timeKnown for one	140 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Fixed packetKnown for one	Unknown — not stated by the source	Yes
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	Unknown — not stated by the source	Yes
Variable packetKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	42 mm
WeightKnown for one	Unknown — not stated by the source	705 g
Other features1 differ
Dimensions (WxDxH)Differs	148 x 42 x 175 mm	148 x 175 x 42 mm
Number of optical discs	1 discs	1 discs
Media types supportedKnown for one	DVD-ROM, DVD-R (DL ), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R, CD-RW 80mm/120mm	Unknown — not stated by the source
Write methodsKnown for one	DAO, SAO, TAO zero gap, variable / fixed packet, multisession	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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