NEC FD-1231H Black vs NEC UF0002S FDD

Comparison of FD-1231H Black, UF0002S FDD

19 specifications	A NEC FD-1231H BlackView product	B NEC UF0002S FDDView product
Featuresidentical
InterfaceKnown for one	—Unknown — not stated by the source	USB1.1
Drive device speedKnown for one	—Unknown — not stated by the source	300 RPM
Mean time between failures (MTBF)Known for one	—Unknown — not stated by the source	30000 h
Track to track seek timeKnown for one	—Unknown — not stated by the source	3 ms
USB poweredKnown for one	—Unknown — not stated by the source	Yes
Compatible operating systemsKnown for one	—Unknown — not stated by the source	98/98SE, 2000, ME, XP, NT4.0
Access timeKnown for one	3 ms	—Unknown — not stated by the source
Storage capacityKnown for one	1.44 MB	—Unknown — not stated by the source
Maximum data transfer rateKnown for one	250 Mbit/s	—Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	430 g	280 g
Size (imperial)Known for one	—Unknown — not stated by the source	8.89 cm (3.5")
HeightKnown for one	25.4 mm	—Unknown — not stated by the source
Operational conditionsidentical
Non-operating shockKnown for one	—Unknown — not stated by the source	100 G
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 80%
Operating shockKnown for one	—Unknown — not stated by the source	5 G
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-20 - 60 °C
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	103 x 142 x 17 mm
Technical detailsidentical
Supported data transfer ratesKnown for one	250/125 Kb/s	—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.