Product comparison · 2 backup storage devices

Acer DDS4 20/40GB Utra160 68pin vs Iomega Bdl 4 x Zip Drive 250MB USB ext Host Pwr

Key differences

Media type
- DDS4 20/40GB Utra160 68pin:Tape Cartridge
- Bdl 4 x Zip Drive 250MB USB ext Host Pwr:Zip disk
Interface
- DDS4 20/40GB Utra160 68pin:Ultra160 SCSI
- Bdl 4 x Zip Drive 250MB USB ext Host Pwr:USB
Internal
- DDS4 20/40GB Utra160 68pin:Yes
- Bdl 4 x Zip Drive 250MB USB ext Host Pwr:No

Differences highlightedShow differences only

Comparison of DDS4 20/40GB Utra160 68pin, Bdl 4 x Zip Drive 250MB USB ext Host Pwr
17 specifications	A Acer DDS4 20/40GB Utra160 68pin View product	B Iomega Bdl 4 x Zip Drive 250MB USB ext Host Pwr View product
Performance3 differ
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
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
Other featuresidentical
I/O portsKnown for one	1 x 68 pin HD D-Sub (HD-68)	Unknown — not stated by the source
Seek timeKnown for one	Unknown — not stated by the source	40 ms
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	165 mm
DepthKnown for one	Unknown — not stated by the source	119 mm
HeightKnown for one	Unknown — not stated by the source	25 mm

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.