Product comparison · 2 backup storage devices

Acer DDS4 20/40GB Utra160 68pin vs Iomega Zip® 250MB USB-Powered Drive nodisk

4specifications compared
3differ
1identical
15known for one product only

Key differences

Media type
- DDS4 20/40GB Utra160 68pin:Tape Cartridge
- Zip® 250MB USB-Powered Drive nodisk:Zip disk
Interface
- DDS4 20/40GB Utra160 68pin:Ultra160 SCSI
- Zip® 250MB USB-Powered Drive nodisk:USB
Internal
- DDS4 20/40GB Utra160 68pin:Yes
- Zip® 250MB USB-Powered Drive nodisk:No

Side by side

Differences highlightedShow differences only

Comparison of DDS4 20/40GB Utra160 68pin, Zip® 250MB USB-Powered Drive nodisk
19 specifications	A Acer DDS4 20/40GB Utra160 68pin View product	B Iomega Zip® 250MB USB-Powered Drive nodisk View product
Performance3 differ
Product type	Storage drive	Storage drive
Media typeDiffers	Tape Cartridge	Zip disk
InterfaceDiffers	Ultra160 SCSI	USB
InternalDiffers	Yes	No
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
Compatible operating systemsKnown for one	Unknown — not stated by the source	- Microsoft Windows 95/98/Me/NT/2000/XP & Linux - Mac OS 8.5.1 - 10.2.1+
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
Storage capacityKnown for one	Unknown — not stated by the source	250 MB
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
Data transfer rateKnown for one	Unknown — not stated by the source	7.2 Mbit/s
Other featuresidentical
I/O portsKnown for one	1 x 68 pin HD D-Sub (HD-68)	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	20 mm
DepthKnown for one	Unknown — not stated by the source	115 mm
HeightKnown for one	Unknown — not stated by the source	170 mm
WeightKnown for one	Unknown — not stated by the source	525 g

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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