Product comparison · 2 optical disc drives

NEC DVD RW drive AD7240S vs Samsung 22x DVD±RW SATA

23specifications compared
8differ
15identical
28known for one product only

Key differences

CD rewrite speed
- DVD RW drive AD7240S:32x
- 22x DVD±RW SATA:48x
DVD+R Double Layer write speed
- DVD RW drive AD7240S:12x
- 22x DVD±RW SATA:16x
DVD+R write speed
- DVD RW drive AD7240S:24x
- 22x DVD±RW SATA:22x
DVD-R write speed
- DVD RW drive AD7240S:24x
- 22x DVD±RW SATA:22x
DVD drive average random access time
- DVD RW drive AD7240S:160 ms
- 22x DVD±RW SATA:130 ms
CD-ROM drive average random access time
- DVD RW drive AD7240S:140 ms
- 22x DVD±RW SATA:110 ms
Weight
- DVD RW drive AD7240S:640 g
- 22x DVD±RW SATA:750 g
Dimensions (WxDxH)
- DVD RW drive AD7240S:148 x 42 x 170 mm
- 22x DVD±RW SATA:148.2 x 170 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD RW drive AD7240S, 22x DVD±RW SATA
51 specifications	A NEC DVD RW drive AD7240S View product	B Samsung 22x DVD±RW SATA View product
Designidentical
MountingKnown for one	Horizontal	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	RoHS
Performanceidentical
Burst transfer rateKnown for one	150 MB/s	Unknown — not stated by the source
Writing speed4 differ
CD rewrite speedDiffers	32x	48x
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 speedDiffers	12x	16x
DVD+R write speedDiffers	24x	22x
DVD-R write speedDiffers	24x	22x
DVD-R9 write speedKnown for one	12x	Unknown — not stated by the source
Reading speedidentical
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	130 ms
CD-ROM drive average random access timeDiffers	140 ms	110 ms
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	750 g
Packaging contentidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Media types supportedKnown for one	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW	Unknown — not stated by the source
Dimensions (WxDxH)Differs	148 x 42 x 170 mm	148.2 x 170 x 42 mm
Compatible operating systemsKnown for one	Microsoft Vista	Unknown — not stated by the source
Language versionKnown for one	Multilingual	Unknown — not stated by the source
Additional accessoriesKnown for one	Yes	Unknown — not stated by the source
Technical featuresKnown for one	MultiRead, PC2001	Unknown — not stated by the source
Relative humidityKnown for one	Unknown — not stated by the source	20 - 80%
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 50 °C

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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