Product comparison · 2 optical disc drives

HP AR482AA optical disc drive Internal Black vs NEC DVD RW drive AD7240S

6specifications compared
4differ
2identical
48known for one product only

Key differences

DVD-R Double Layer read speed
- AR482AA optical disc drive Internal Black:8x
- DVD RW drive AD7240S:12x
DVD drive average random access time
- AR482AA optical disc drive Internal Black:18 ms
- DVD RW drive AD7240S:160 ms
CD-ROM drive average random access time
- AR482AA optical disc drive Internal Black:15 ms
- DVD RW drive AD7240S:140 ms
Dimensions (WxDxH)
- AR482AA optical disc drive Internal Black:15 x 4.4 x 20.3 mm
- DVD RW drive AD7240S:148 x 42 x 170 mm

Side by side

Differences highlightedShow differences only

Comparison of AR482AA, DVD RW drive AD7240S
54 specifications	A HP AR482AA optical disc drive Internal Black Model AR482AA View product	B NEC DVD RW drive AD7240S View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
MountingKnown for one	Unknown — not stated by the source	Horizontal
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
Burst transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	12x
DVD+R write speedKnown for one	Unknown — not stated by the source	24x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	12x
DVD-R write speedKnown for one	Unknown — not stated by the source	24x
DVD-R9 write speedKnown for one	Unknown — not stated by the source	12x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed1 differ
CD read speedKnown for one	Unknown — not stated by the source	48x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speedDiffers	8x	12x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
CD-R read speedKnown for one	40x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
BD-R Dual Layer read speedKnown for one	4.8x	Unknown — not stated by the source
BD-R read speedKnown for one	6x	Unknown — not stated by the source
BD-RE Dual Layer read speedKnown for one	4.8x	Unknown — not stated by the source
BD-RE read speedKnown for one	6x	Unknown — not stated by the source
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD-RW read speedKnown for one	10x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD+RW read speedKnown for one	5x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	18 ms	160 ms
CD-ROM drive average random access timeDiffers	15 ms	140 ms
BD-ROM average random access timeKnown for one	18 ms	Unknown — not stated by the source
DVD-RAM access timeKnown for one	25 ms	Unknown — not stated by the source
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 & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	640 g
Packaging contentidentical
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	15 x 4.4 x 20.3 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.

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