Product comparison · 2 optical disc drives

HP 16x DVD+-RW SuperMulti SATA vs NEC DVD RW drive AD7240S

7specifications compared
5differ
2identical
34known for one product only

Key differences

CD write speed
- 16x DVD+-RW SuperMulti SATA:0x
- DVD RW drive AD7240S:48x
CD rewrite speed
- 16x DVD+-RW SuperMulti SATA:0x
- DVD RW drive AD7240S:32x
DVD+RW write speed
- 16x DVD+-RW SuperMulti SATA:16x
- DVD RW drive AD7240S:8x
DVD-RW write speed
- 16x DVD+-RW SuperMulti SATA:16x
- DVD RW drive AD7240S:6x
CD read speed
- 16x DVD+-RW SuperMulti SATA:0x
- DVD RW drive AD7240S:48x

Side by side

Differences highlightedShow differences only

Comparison of 16x DVD+-RW SuperMulti SATA, DVD RW drive AD7240S
41 specifications	A HP 16x DVD+-RW SuperMulti SATA View product	B NEC DVD RW drive AD7240S View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
MountingKnown for one	Unknown — not stated by the source	Horizontal
Performanceidentical
Interface	Serial ATA	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 speed4 differ
CD write speedDiffers	0x	48x
CD rewrite speedDiffers	0x	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 speedDiffers	16x	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 speedDiffers	16x	6x
Reading speed1 differ
CD read speedDiffers	0x	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
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 & 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 featuresidentical
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)Known for one	Unknown — not stated by the source	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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