Product comparison · 2 backup storage devices

Acer AIT-1 Turbo 40/104GB Internal IDE tape drive vs Acer DDS4 20/40GB Ultra160 68pin

9specifications compared
6differ
3identical
16known for one product only

Key differences

The Acer AIT-1 Turbo 40/104GB Internal IDE tape drive has 0.6 :1 more compression ratio than the Acer DDS4 20/40GB Ultra160 68pin (2.6:1 vs 2:1). The Acer AIT-1 Turbo 40/104GB Internal IDE tape drive has 20 GB more native capacity than the Acer DDS4 20/40GB Ultra160 68pin (40 GB vs 20 GB). The Acer AIT-1 Turbo 40/104GB Internal IDE tape drive has 64 GB more compressed capacity than the Acer DDS4 20/40GB Ultra160 68pin (104 GB vs 40 GB). Interface: ATA/ATAPI-6 Ultra DMA mode 5 on the Acer AIT-1 Turbo 40/104GB Internal IDE tape drive, Ultra160 SCSI on the Acer DDS4 20/40GB Ultra160 68pin. Data storage type: AIT on the Acer AIT-1 Turbo 40/104GB Internal IDE tape drive, DDS on the Acer DDS4 20/40GB Ultra160 68pin.

Interface
- AIT-1 Turbo 40/104GB Internal IDE tape drive:ATA/ATAPI-6 Ultra DMA mode 5
- DDS4 20/40GB Ultra160 68pin:Ultra160 SCSI
Data storage type
- AIT-1 Turbo 40/104GB Internal IDE tape drive:AIT
- DDS4 20/40GB Ultra160 68pin:DDS
Compression ratio
- AIT-1 Turbo 40/104GB Internal IDE tape drive:2.6:1
- DDS4 20/40GB Ultra160 68pin:2:1
Native capacity
- AIT-1 Turbo 40/104GB Internal IDE tape drive:40 GB
- DDS4 20/40GB Ultra160 68pin:20 GB
Compressed capacity
- AIT-1 Turbo 40/104GB Internal IDE tape drive:104 GB
- DDS4 20/40GB Ultra160 68pin:40 GB
Media types supported
- AIT-1 Turbo 40/104GB Internal IDE tape drive:8mm 230m (+/-MIC)
- DDS4 20/40GB Ultra160 68pin:DAT

Side by side

Differences highlightedShow differences only

Comparison of AIT-1 Turbo 40/104GB Internal IDE tape drive, DDS4 20/40GB Ultra160 68pin
25 specifications	A Acer AIT-1 Turbo 40/104GB Internal IDE tape drive View product	B Acer DDS4 20/40GB Ultra160 68pin View product
Performance3 differ
InterfaceDiffers	ATA/ATAPI-6 Ultra DMA mode 5	Ultra160 SCSI
Data storage typeDiffers	AIT	DDS
Compression ratioDiffers	2.6:1	2:1
Form factorKnown for one	5.25" Half-height	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	300000 h	Unknown — not stated by the source
Storage3 differ
Native capacityDiffers	40 GB	20 GB
Compressed capacityDiffers	104 GB	40 GB
Drive device, buffer sizeKnown for one	12 MB	Unknown — not stated by the source
Media types supportedDiffers	8mm 230m (+/-MIC)	DAT
Data transmissionidentical
Burst transfer rateKnown for one	66 MB/s	Unknown — not stated by the source
Sustained data transfer rate (compressed)Known for one	Unknown — not stated by the source	6 MB/s
Sustained data transfer rate (native)Known for one	Unknown — not stated by the source	3 MB/s
Poweridentical
Power consumption (typical)Known for one	7 W	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	970 g	Unknown — not stated by the source
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
Other featuresidentical
Dimensions (WxDxH)Known for one	146 x 155 x 41.2 mm	Unknown — not stated by the source
Write methodsKnown for one	Helical Scan	Unknown — not stated by the source
Recommended mediaKnown for one	AIT-1 TURBO, AIT-E TURBO, AIT-1	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	1 x 68 pin HD D-Sub (HD-68)

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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