Product comparison · 2 backup storage devices

Freecom TapeWare AIT-450i vs Freecom TapeWare USB DAT 40es

19specifications compared
14differ
5identical
14known for one product only

Key differences

Interface
- TapeWare AIT-450i:Ultra 160 SCSI LVD/SE
- TapeWare USB DAT 40es:USB 2.0
Internal
- TapeWare AIT-450i:Yes
- TapeWare USB DAT 40es:No
Data storage type
- TapeWare AIT-450i:AIT
- TapeWare USB DAT 40es:DDS
Compression ratio
- TapeWare AIT-450i:2.6:1
- TapeWare USB DAT 40es:2:1
Form factor
- TapeWare AIT-450i:Plug-in
- TapeWare USB DAT 40es:5.25" Half-height
Access time
- TapeWare AIT-450i:27000 ms
- TapeWare USB DAT 40es:50000 ms
Product colour
- TapeWare AIT-450i:Black, White
- TapeWare USB DAT 40es:Black
Mean time between failures (MTBF)
- TapeWare AIT-450i:300000 h
- TapeWare USB DAT 40es:125000 h

Side by side

Differences highlightedShow differences only

Comparison of TapeWare AIT-450i, TapeWare USB DAT 40es
33 specifications	A Freecom TapeWare AIT-450i View product	B Freecom TapeWare USB DAT 40es View product
Performance8 differ
Product type	Storage drive	Storage drive
Media type	Tape Cartridge	Tape Cartridge
InterfaceDiffers	Ultra 160 SCSI LVD/SE	USB 2.0
InternalDiffers	Yes	No
Data storage typeDiffers	AIT	DDS
Compression ratioDiffers	2.6:1	2:1
Form factorDiffers	Plug-in	5.25" Half-height
Access timeDiffers	27000 ms	50000 ms
Product colourDiffers	Black, White	Black
Mean time between failures (MTBF)Differs	300000 h	125000 h
Read/write head lifeKnown for one	50000 h	Unknown — not stated by the source
Tape durabilityKnown for one	30000 pass(es)	Unknown — not stated by the source
Logical recording formatKnown for one	Unknown — not stated by the source	ANSI/ISO/ECMA DDS-4 & DDS-3
Bundled softwareKnown for one	Unknown — not stated by the source	TapeWare Software
Storage3 differ
Native capacityDiffers	40 GB	20 GB
Compressed capacityDiffers	104 GB	40 GB
Drive device, buffer sizeDiffers	10 MB	8 MB
Media types supportedKnown for one	AIT-E	Unknown — not stated by the source
Recording densityKnown for one	167 kbit/inch	Unknown — not stated by the source
Data transmissionidentical
Burst transfer rateKnown for one	66 MB/s	Unknown — not stated by the source
Drive device speedKnown for one	6400 RPM	Unknown — not stated by the source
Supported data transfer ratesKnown for one	Unknown — not stated by the source	3-6 MB/s
Power1 differ
Power requirementsKnown for one	5V/12V DC	Unknown — not stated by the source
Power consumption (typical)Differs	12 W	7.3 W
Weight & dimensions1 differ
WeightDiffers	780 g	2.1 kg
Size (imperial)Known for one	Unknown — not stated by the source	13.3 cm (5.25")
Operational conditionsidentical
Operating temperature (T-T)	5 - 40 °C	5 - 40 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Other features1 differ
Dimensions (WxDxH)Differs	155 x 146 x 41.2 mm	220 x 100 x 115 mm
Sustained data rateKnown for one	15.6 MB/s	Unknown — not stated by the source
Device read/write media compatibilityKnown for one	Unknown — not stated by the source	DDS3, DDS4

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.

More backup storage device comparisons

All backup storage device comparisons