HP 647945-001 optical disc drive Internal vs HP 647946-001 optical disc drive Internal DVD±R/RW

Comparison of 647945-001, 647946-001

19 specifications	A HP 647945-001 optical disc drive Internal Model 647945-001 View product	B HP 647946-001 optical disc drive Internal DVD±R/RW Model 647946-001 View product
Performanceidentical
Optical drive typeKnown for one	—Unknown — not stated by the source	DVD±R/RW
InterfaceKnown for one	—Unknown — not stated by the source	Serial ATA
LightScribeKnown for one	—Unknown — not stated by the source	Yes
Writing speedidentical
CD write speedKnown for one	—Unknown — not stated by the source	24x
CD rewrite speedKnown for one	—Unknown — not stated by the source	24x
DVD+R Double Layer write speedKnown for one	—Unknown — not stated by the source	6x
DVD+R write speedKnown for one	—Unknown — not stated by the source	8x
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	6x
DVD-R write speedKnown for one	—Unknown — not stated by the source	8x
DVD-RAM write speedKnown for one	—Unknown — not stated by the source	5x
DVD-RW write speedKnown for one	—Unknown — not stated by the source	6x
Reading speedidentical
DVD-ROM read speedKnown for one	—Unknown — not stated by the source	8x
DVD read speedKnown for one	8x	—Unknown — not stated by the source

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.