Product comparison · 2 optical disc drives

HP 456799-001 optical disc drive Internal DVD Super Multi DL vs HP 492559-001 optical disc drive Internal

Key differences

Interface
- 456799-001 optical disc drive Internal DVD Super Multi DL:EIDE/ATAPI
- 492559-001 optical disc drive Internal:Serial ATA
DVD+RW write speed
- 456799-001 optical disc drive Internal DVD Super Multi DL:4x
- 492559-001 optical disc drive Internal:8x
DVD-RW write speed
- 456799-001 optical disc drive Internal DVD Super Multi DL:4x
- 492559-001 optical disc drive Internal:6x

Differences highlightedShow differences only

Comparison of 456799-001, 492559-001
19 specifications	A HP 456799-001 optical disc drive Internal DVD Super Multi DL Model 456799-001 View product	B HP 492559-001 optical disc drive Internal Model 492559-001 View product
Designidentical
Internal	Yes	Yes
Performance2 differ
InterfaceDiffers	EIDE/ATAPI	Serial ATA
Compatible productsDiffers	Compaq 6520s, Compaq 6720s, Compaq 6820s	EliteBook 2530p
PurposeKnown for one	Laptop	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi DL	Unknown — not stated by the source
Writing speed2 differ
CD write speed	24x	24x
CD rewrite speed	16x	16x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	4x
DVD+R write speed	8x	8x
DVD+RW write speedDiffers	4x	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	4x
DVD-R write speed	8x	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speedDiffers	4x	6x
CD-RW write speedKnown for one	5x	Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
DVD-ROM read speed	8x	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	145 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	150 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.