HP 647946-001 optical disc drive Internal DVD±R/RW vs HP Slim 8X SATA SuperMulti

Comparison of 647946-001, Slim 8X SATA SuperMulti

24 specifications	A HP 647946-001 optical disc drive Internal DVD±R/RW Model 647946-001 View product	B HP Slim 8X SATA SuperMultiView 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
Performance1 differ
Optical drive typeDiffers	DVD±R/RW	DVD±RW
Interface	Serial ATA	Serial ATA
LightScribeKnown for one	Yes	—Unknown — not stated by the source
Compatible productsKnown for one	ProBook 4330s, ProBook 4331s, ProBook 4430s, ProBook 4431s	—Unknown — not stated by the source
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
DVD+R Double Layer write speedKnown for one	6x	—Unknown — not stated by the source
DVD+R write speedKnown for one	8x	—Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	—Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	—Unknown — not stated by the source
DVD-R write speedKnown for one	8x	—Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	—Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	—Unknown — not stated by the source
Reading speedidentical
CD read speedKnown for one	24x	—Unknown — not stated by the source
DVD-ROM read speedKnown for one	8x	—Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	160 ms	—Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	140 ms	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	180 g
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	128 x 12.7 x 128 mm
Number of optical discsKnown for one	—Unknown — not stated by the source	1 discs

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.