Product comparison · 2 optical disc drives

iStorage DVD Duplicator vs NEC AD-7191A optical disc drive Internal Silver

12specifications compared
7differ
5identical
20known for one product only

Key differences

Internal
- DVD Duplicator:No
- AD-7191A optical disc drive Internal Silver:Yes
DVD+R write speed
- DVD Duplicator:16x
- AD-7191A optical disc drive Internal Silver:20x
DVD-R Double Layer write speed
- DVD Duplicator:6x
- AD-7191A optical disc drive Internal Silver:8x
DVD-R write speed
- DVD Duplicator:16x
- AD-7191A optical disc drive Internal Silver:20x
Weight
- DVD Duplicator:20.4 kg
- AD-7191A optical disc drive Internal Silver:600 g
Dimensions (WxDxH)
- DVD Duplicator:457 x 178 x 431 mm
- AD-7191A optical disc drive Internal Silver:148 x 170 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD Duplicator, AD-7191A
32 specifications	A iStorage DVD Duplicator View product	B NEC AD-7191A optical disc drive Internal Silver Model AD-7191A View product
Design1 differ
InternalDiffers	No	Yes
Product colourKnown for one	Unknown — not stated by the source	Silver
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	EIDE/ATA
Power consumption (typical)Known for one	300 W	Unknown — not stated by the source
Writing speed3 differ
CD write speed	48x	48x
CD rewrite speed	32x	32x
DVD+R write speedDiffers	16x	20x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	6x	8x
DVD-R write speedDiffers	16x	20x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speed	6x	6x
DVD+R Double Layer write speedKnown for one	8x	Unknown — not stated by the source
Reading speedidentical
CD read speed	48x	48x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
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
Packet writingKnown 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 & dimensions1 differ
HeightKnown for one	Unknown — not stated by the source	42 mm
WeightDiffers	20.4 kg	600 g
Other features2 differ
Media types supportedDiffers	DVD+/-R, DVD+/-RW, CD-R, CD-RW	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	457 x 178 x 431 mm	148 x 170 x 42 mm
Power requirementsKnown for one	110/220V	Unknown — not stated by the source
Compatible operating systemsKnown for one	- Windows 98 - Windows 98SE - Windows ME - Windows 2000 - Windows XP - Windows Vista - Mac OS X	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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