HP 647945-001 optical disc drive Internal vs Lenovo DB60-WW optical disc drive DVD-RW Black

Comparison of 647945-001, DB60-WW

17 specifications	A HP 647945-001 optical disc drive Internal Model 647945-001 View product	B Lenovo DB60-WW optical disc drive DVD-RW Black Model DB60-WW View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	—Unknown — not stated by the source	Black
Disc loading typeKnown for one	—Unknown — not stated by the source	Tray
Performanceidentical
PurposeKnown for one	—Unknown — not stated by the source	Laptop
Optical drive typeKnown for one	—Unknown — not stated by the source	DVD-RW
InterfaceKnown for one	—Unknown — not stated by the source	USB 2.0
Optical disc diameterKnown for one	—Unknown — not stated by the source	80,120 mm
Compatible productsKnown for one	ProBook 4330s, ProBook 4331s, ProBook 4430s, ProBook 4431s	—Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	—Unknown — not stated by the source	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64
Weight & dimensionsidentical
HeightKnown for one	—Unknown — not stated by the source	17 mm
WeightKnown for one	—Unknown — not stated by the source	210 g
Other featuresidentical
Height (imperial)Known for one	—Unknown — not stated by the source	1.7 cm (0.67")
Maximum operating temperatureKnown for one	—Unknown — not stated by the source	35 °C
Reading speedidentical
CD read speedKnown for one	24x	—Unknown — not stated by the source
DVD 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

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.