HP 456797-001 optical disc drive Internal DVD±RW vs HP 595758-001 optical disc drive Internal

Comparison of 456797-001, 595758-001

12 specifications	A HP 456797-001 optical disc drive Internal DVD±RW Model 456797-001 View product	B HP 595758-001 optical disc drive Internal Model 595758-001 View product
Designidentical
Internal	Yes	Yes
Performance2 differ
PurposeKnown for one	Laptop	—Unknown — not stated by the source
Optical drive typeKnown for one	DVD±RW	—Unknown — not stated by the source
InterfaceDiffers	EIDE/ATA	Serial ATA
Compatible productsDiffers	Compaq 6520s, Compaq 6720s, Compaq 6820s	EliteBook 8540p, EliteBook 8540w
Writing speedidentical
CD write speedKnown for one	24x	—Unknown — not stated by the source
CD rewrite speedKnown for one	24x	—Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
DVD-ROM read speedKnown for one	8x	—Unknown — not stated by the source
DVD read speedKnown for one	—Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	—Unknown — not stated by the source	110 ms
CD-ROM drive average random access timeKnown for one	—Unknown — not stated by the source	110 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.