Product comparison · 2 optical disc drives

HP 647948-001 optical disc drive Internal vs HP 653020-001 optical disc drive Internal DVD Super Multi DL Black

11specifications compared
3differ
8identical
16known for one product only

Key differences

DVD+R Double Layer write speed
- 647948-001 optical disc drive Internal:4x
- 653020-001 optical disc drive Internal DVD Super Multi DL Black:6x
DVD-R Double Layer write speed
- 647948-001 optical disc drive Internal:4x
- 653020-001 optical disc drive Internal DVD Super Multi DL Black:6x
CD-ROM drive average random access time
- 647948-001 optical disc drive Internal:190 ms
- 653020-001 optical disc drive Internal DVD Super Multi DL Black:140 ms

Side by side

Differences highlightedShow differences only

Comparison of 647948-001, 653020-001
27 specifications	A HP 647948-001 optical disc drive Internal Model 647948-001 View product	B HP 653020-001 optical disc drive Internal DVD Super Multi DL Black Model 653020-001 View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Black
Performanceidentical
Disc types supportedKnown for one	BD-ROM, CD-R, CD-ROM, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW	Unknown — not stated by the source
Interface	Serial ATA	Serial ATA
PurposeKnown for one	Unknown — not stated by the source	Laptop
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Compatible productsKnown for one	Unknown — not stated by the source	EliteBook 8560w
Writing speed2 differ
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	Unknown — not stated by the source
DVD+R Double Layer write speedDiffers	4x	6x
DVD+R write speed	8x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	4x	6x
DVD-R write speed	8x	8x
DVD-RAM write speed	5x	5x
DVD-RW write speed	6x	6x
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
Reading speedidentical
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
BD-R read speedKnown for one	0x	Unknown — not stated by the source
BD-RE read speedKnown for one	0x	Unknown — not stated by the source
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD-ROM read speed	8x	8x
CD read speedKnown for one	Unknown — not stated by the source	24x
Access time1 differ
BD-ROM average random access timeKnown for one	230 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	190 ms	140 ms
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 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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