Product comparison · 2 optical disc drives

NEC AD-7220S optical disc drive Internal Black vs NEC DVD RW drive AD7240S

31specifications compared
8differ
23identical
12known for one product only

Key differences

Mounting
- AD-7220S optical disc drive Internal Black:Vertical/Horizontal
- DVD RW drive AD7240S:Horizontal
DVD+R Double Layer write speed
- AD-7220S optical disc drive Internal Black:8x
- DVD RW drive AD7240S:12x
DVD+R write speed
- AD-7220S optical disc drive Internal Black:22x
- DVD RW drive AD7240S:24x
DVD-R Double Layer write speed
- AD-7220S optical disc drive Internal Black:8x
- DVD RW drive AD7240S:12x
DVD-R write speed
- AD-7220S optical disc drive Internal Black:22x
- DVD RW drive AD7240S:24x
Weight
- AD-7220S optical disc drive Internal Black:600 g
- DVD RW drive AD7240S:640 g
Dimensions (WxDxH)
- AD-7220S optical disc drive Internal Black:148 x 170 x 42 mm
- DVD RW drive AD7240S:148 x 42 x 170 mm

Side by side

Differences highlightedShow differences only

Comparison of AD-7220S, DVD RW drive AD7240S
43 specifications	A NEC AD-7220S optical disc drive Internal Black Model AD-7220S View product	B NEC DVD RW drive AD7240S View product
Design1 differ
Internal	Yes	Yes
Product colour	Black	Black
Disc loading type	Tray	Tray
MountingDiffers	Vertical/Horizontal	Horizontal
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Optical disc diameter	120 mm	120 mm
Burst transfer rate	150 MB/s	150 MB/s
LightScribeKnown for one	No	Unknown — not stated by the source
Writing speed4 differ
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	48x	48x
CD-RW write speed	32x	32x
DVD+R Double Layer write speedDiffers	8x	12x
DVD+R write speedDiffers	22x	24x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	8x	12x
DVD-R write speedDiffers	22x	24x
DVD-R9 write speedKnown for one	Unknown — not stated by the source	12x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
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 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 packet	Yes	Yes
Multi session	Yes	Yes
Packet writingKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Variable packet	Yes	Yes
Weight & dimensions1 differ
WeightDiffers	600 g	640 g
Packaging contentidentical
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
Media types supportedDiffers	DVDROM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, CD-ROM (mode 1), CD-ROM/XA (mode 2, form 1/form 2), Photo CD, CD Extra, CD-TEXT, CD-I, VIDEO CD, DVD-Video, DVD-Audio, CD-DA, Enhance CD, UDF (fixed/variable Packet mode), DVD-Audio	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	148 x 170 x 42 mm	148 x 42 x 170 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Vista
Language versionKnown for one	Unknown — not stated by the source	Multilingual
Additional accessoriesKnown for one	Unknown — not stated by the source	Yes
Technical featuresKnown for one	Unknown — not stated by the source	MultiRead, PC2001

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.

More optical disc drive comparisons

All optical disc drive comparisons