Product comparison · 2 backup storage devices

Freecom TapeWare USB DAT 40es vs Lenovo ZIP Drive 250MB IDE int fTP Ultrabay2000

4specifications compared
3differ
1identical
27known for one product only

Key differences

Media type
- TapeWare USB DAT 40es:Tape Cartridge
- ZIP Drive 250MB IDE int fTP Ultrabay2000:Zip disk
Interface
- TapeWare USB DAT 40es:USB 2.0
- ZIP Drive 250MB IDE int fTP Ultrabay2000:IDE (ATAPI)
Internal
- TapeWare USB DAT 40es:No
- ZIP Drive 250MB IDE int fTP Ultrabay2000:Yes

Side by side

Differences highlightedShow differences only

Comparison of TapeWare USB DAT 40es, ZIP Drive 250MB IDE int fTP Ultrabay2000
31 specifications	A Freecom TapeWare USB DAT 40es View product	B Lenovo ZIP Drive 250MB IDE int fTP Ultrabay2000 View product
Performance3 differ
Media typeDiffers	Tape Cartridge	Zip disk
InterfaceDiffers	USB 2.0	IDE (ATAPI)
InternalDiffers	No	Yes
Data storage typeKnown for one	DDS	Unknown — not stated by the source
Compression ratioKnown for one	2:1	Unknown — not stated by the source
Form factorKnown for one	5.25" Half-height	Unknown — not stated by the source
Access timeKnown for one	50000 ms	Unknown — not stated by the source
Logical recording formatKnown for one	ANSI/ISO/ECMA DDS-4 & DDS-3	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	125000 h	Unknown — not stated by the source
Bundled softwareKnown for one	TapeWare Software	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows 95; Microsoft Windows 98; Microsoft Windows 2000; Microsoft Windows NT 4.0
Storageidentical
Native capacityKnown for one	20 GB	Unknown — not stated by the source
Compressed capacityKnown for one	40 GB	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Storage capacityKnown for one	Unknown — not stated by the source	250 MB
Data transmissionidentical
Supported data transfer ratesKnown for one	3-6 MB/s	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	7.3 W	Unknown — not stated by the source
Weight & dimensionsidentical
Size (imperial)Known for one	13.3 cm (5.25")	Unknown — not stated by the source
WeightKnown for one	2.1 kg	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	130 mm
DepthKnown for one	Unknown — not stated by the source	144 mm
HeightKnown for one	Unknown — not stated by the source	14 mm
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	220 x 100 x 115 mm	Unknown — not stated by the source
Device read/write media compatibilityKnown for one	DDS3, DDS4	Unknown — not stated by the source
Seek timeKnown for one	Unknown — not stated by the source	29 ms

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.

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