Product comparison · 2 optical disc drives

NEC DVD RW drive AD-7203S vs NEC ND-4571 optical disc drive Internal Black

16specifications compared
8differ
8identical
27known for one product only

Key differences

Interface
- DVD RW drive AD-7203S:Serial ATA
- ND-4571 optical disc drive Internal Black:IDE/ATA
DVD+R write speed
- DVD RW drive AD-7203S:24x
- ND-4571 optical disc drive Internal Black:16x
DVD-R write speed
- DVD RW drive AD-7203S:24x
- ND-4571 optical disc drive Internal Black:16x
DVD-RAM write speed
- DVD RW drive AD-7203S:12x
- ND-4571 optical disc drive Internal Black:5x
DVD-RW write speed
- DVD RW drive AD-7203S:6x
- ND-4571 optical disc drive Internal Black:8x
Weight
- DVD RW drive AD-7203S:640 g
- ND-4571 optical disc drive Internal Black:900 g
Dimensions (WxDxH)
- DVD RW drive AD-7203S:148 x 42 x 170 mm
- ND-4571 optical disc drive Internal Black:148 x 42 x 190 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD RW drive AD-7203S, ND-4571
43 specifications	A NEC DVD RW drive AD-7203S View product	B NEC ND-4571 optical disc drive Internal Black Model ND-4571 View product
Designidentical
MountingKnown for one	Horizontal	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	IDE/ATA
Writing speed4 differ
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 speedDiffers	24x	16x
DVD-R Double Layer write speedKnown for one	12x	Unknown — not stated by the source
DVD-R write speedDiffers	24x	16x
DVD-R9 write speedKnown for one	12x	Unknown — not stated by the source
DVD-RAM write speedDiffers	12x	5x
DVD-RW write speedDiffers	6x	8x
Reading speedidentical
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	12x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	16x
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Fixed packetKnown for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Packet 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
Variable packetKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	640 g	900 g
Packaging contentidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Media types supportedDiffers	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW	DVD-ROM,DVD-R,DVD+R, DVD+RW,CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	148 x 42 x 170 mm	148 x 42 x 190 mm
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium III 1.0GHz	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	1 GB	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows Vista Home Basic, Home Premium, Ultimate, Business Windows XP Home/Professional MultiRead, PC2001	Unknown — not stated by the source
Language versionKnown for one	Multilingual	Unknown — not stated by the source
Maximum data transfer rateKnown for one	150 Mbit/s	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	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

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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