Product comparison · 2 backup storage devices

Acer DDS4 20/40GB Ultra160 68pin vs Acer LTO-3 400/800GB Internal tape drive

10specifications compared
5differ
5identical
4known for one product only

Key differences

The Acer LTO-3 400/800GB Internal tape drive has 380 GB more native capacity than the Acer DDS4 20/40GB Ultra160 68pin (400 GB vs 20 GB). The Acer LTO-3 400/800GB Internal tape drive has 760 GB more compressed capacity than the Acer DDS4 20/40GB Ultra160 68pin (800 GB vs 40 GB). Interface: Ultra160 SCSI on the Acer DDS4 20/40GB Ultra160 68pin, Ultra320 SCSI on the Acer LTO-3 400/800GB Internal tape drive. Data storage type: DDS on the Acer DDS4 20/40GB Ultra160 68pin, LTO on the Acer LTO-3 400/800GB Internal tape drive. Media types supported: DAT on the Acer DDS4 20/40GB Ultra160 68pin, LTO-3 on the Acer LTO-3 400/800GB Internal tape drive.

Interface
- DDS4 20/40GB Ultra160 68pin:Ultra160 SCSI
- LTO-3 400/800GB Internal tape drive:Ultra320 SCSI
Data storage type
- DDS4 20/40GB Ultra160 68pin:DDS
- LTO-3 400/800GB Internal tape drive:LTO
Native capacity
- DDS4 20/40GB Ultra160 68pin:20 GB
- LTO-3 400/800GB Internal tape drive:400 GB
Compressed capacity
- DDS4 20/40GB Ultra160 68pin:40 GB
- LTO-3 400/800GB Internal tape drive:800 GB
Media types supported
- DDS4 20/40GB Ultra160 68pin:DAT
- LTO-3 400/800GB Internal tape drive:LTO-3

Side by side

Differences highlightedShow differences only

Comparison of DDS4 20/40GB Ultra160 68pin, LTO-3 400/800GB Internal tape drive
14 specifications	A Acer DDS4 20/40GB Ultra160 68pin View product	B Acer LTO-3 400/800GB Internal tape drive View product
Performance2 differ
InterfaceDiffers	Ultra160 SCSI	Ultra320 SCSI
Data storage typeDiffers	DDS	LTO
Form factorKnown for one	Unknown — not stated by the source	5.25" Half-height
Product colourKnown for one	Unknown — not stated by the source	Black
Storage3 differ
Native capacityDiffers	20 GB	400 GB
Compressed capacityDiffers	40 GB	800 GB
Media types supportedDiffers	DAT	LTO-3
Data transmissionidentical
Sustained data transfer rate (compressed)Known for one	6 MB/s	Unknown — not stated by the source
Sustained data transfer rate (native)Known for one	3 MB/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.

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