Philips 20x DVD±R SATA vs Philips Internal drive DVD 20x ReWriter

Comparison of 20x DVD±R SATA, Internal drive DVD 20x ReWriter

31 specifications	A Philips 20x DVD±R SATAView product	B Philips Internal drive DVD 20x ReWriterView product
Performanceidentical
Mean time between failures (MTBF)Known for one	70000 h	—Unknown — not stated by the source
InterfaceKnown for one	—Unknown — not stated by the source	IDE/ATA
Drive device, buffer sizeKnown for one	—Unknown — not stated by the source	2 MB
Writing speedidentical
CD-R write speedKnown for one	48x	—Unknown — not stated by the source
DVD-R9 write speedKnown for one	8x	—Unknown — not stated by the source
CD-RW write speedKnown for one	—Unknown — not stated by the source	32x
DVD+R Double Layer write speedKnown for one	—Unknown — not stated by the source	16x
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	12x
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	16x
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
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 80%	—Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 50 °C	—Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	15 - 95%	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	900 g	—Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	146 x 170 x 42 mm	—Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	—Unknown — not stated by the source
Minimum processorKnown for one	Pentium 4 1.3GHz	—Unknown — not stated by the source
Minimum storage drive spaceKnown for one	9 GB	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows 2000 / XP / Vista	—Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	75 dB	—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.