Product comparison · 2 optical disc drives

NEC AD-5170 Silver vs NEC DVD-RW AD-7170S black

18specifications compared
2differ
16identical
15known for one product only

Key differences

Product colour
- AD-5170 Silver:Silver
- DVD-RW AD-7170S black:Beige
Interface
- AD-5170 Silver:EIDE/ATA
- DVD-RW AD-7170S black:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of AD-5170 Silver, DVD-RW AD-7170S black
33 specifications	A NEC AD-5170 Silver View product	B NEC DVD-RW AD-7170S black View product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Silver	Beige
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
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	Serial ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Burst transfer rateKnown for one	Unknown — not stated by the source	1536 MB/s
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 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-RW write speed	6x	6x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
Reading speedidentical
CD read speed	48x	48x
DVD+R 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 time	140 ms	140 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Fixed packetKnown for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Variable packetKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
Weight	705 g	705 g
Other featuresidentical
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
Dimensions (WxDxH)	148 x 175 x 42 mm	148 x 175 x 42 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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