Product comparison · 2 backup storage devices

Acer DAT72 drive 36/72GB 5.25" internal vs Acer DDS4 20/40GB Ultra160 68pin

11specifications compared
2differ
9identical
3known for one product only

Key differences

Native capacity
- DAT72 drive 36/72GB 5.25" internal:36 GB
- DDS4 20/40GB Ultra160 68pin:20 GB
Compressed capacity
- DAT72 drive 36/72GB 5.25" internal:72 GB
- DDS4 20/40GB Ultra160 68pin:40 GB

Side by side

Differences highlightedShow differences only

Comparison of DAT72 drive 36/72GB 5.25" internal, DDS4 20/40GB Ultra160 68pin
14 specifications	A Acer DAT72 drive 36/72GB 5.25" internal View product	B Acer DDS4 20/40GB Ultra160 68pin View product
Performanceidentical
Product type	Storage drive	Storage drive
Media type	Tape Cartridge	Tape Cartridge
Interface	Ultra160 SCSI	Ultra160 SCSI
Internal	Yes	Yes
Data storage type	DDS	DDS
Compression ratio	2:1	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
Storage2 differ
Native capacityDiffers	36 GB	20 GB
Compressed capacityDiffers	72 GB	40 GB
Media types supportedKnown for one	Unknown — not stated by the source	DAT
Data transmissionidentical
Sustained data transfer rate (compressed)	6 MB/s	6 MB/s
Sustained data transfer rate (native)	3 MB/s	3 MB/s
Other featuresidentical
I/O ports	1 x 68 pin HD D-Sub (HD-68)	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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