NEC UF0002 FDD 1,44MB 3.5", black vs NEC UF0002S FDD

Comparison of UF0002 FDD 1,44MB 3.5", black, UF0002S FDD

15 specifications	A NEC UF0002 FDD 1,44MB 3.5", blackView product	B NEC UF0002S FDDView product
Features2 differ
InterfaceDiffers	USB 1.1	USB1.1
Mean time between failures (MTBF)	30000 h	30000 h
Track to track seek time	3 ms	3 ms
USB powered	Yes	Yes
Compatible operating systemsDiffers	Windows 98/98SE/ME/2000/XP/NT4.0	98/98SE, 2000, ME, XP, NT4.0
Drive device speedKnown for one	—Unknown — not stated by the source	300 RPM
Weight & dimensionsidentical
Weight	280 g	280 g
Size (imperial)	8.89 cm (3.5")	8.89 cm (3.5")
Operational conditionsidentical
Non-operating shock	100 G	100 G
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Operating shock	5 G	5 G
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Ports & interfacesidentical
I/O portsKnown for one	USB	—Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)	103 x 142 x 17 mm	103 x 142 x 17 mm

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.