Product comparison · 2 backup storage devices

Acer DDS4 20/40GB Utra160 68pin vs Iomega ZipDrive 250MB ATAPI int 1pkbulk

Key differences

Media type
- DDS4 20/40GB Utra160 68pin:Tape Cartridge
- ZipDrive 250MB ATAPI int 1pkbulk:Zip disk
Interface
- DDS4 20/40GB Utra160 68pin:Ultra160 SCSI
- ZipDrive 250MB ATAPI int 1pkbulk:IDE (ATAPI)

Differences highlightedShow differences only

Comparison of DDS4 20/40GB Utra160 68pin, ZipDrive 250MB ATAPI int 1pkbulk
17 specifications	A Acer DDS4 20/40GB Utra160 68pin View product	B Iomega ZipDrive 250MB ATAPI int 1pkbulk View product
Performance2 differ
Media typeDiffers	Tape Cartridge	Zip disk
InterfaceDiffers	Ultra160 SCSI	IDE (ATAPI)
InternalKnown for one	Yes	Unknown — not stated by the source
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	29 ms
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	163.6 mm
DepthKnown for one	Unknown — not stated by the source	101.4 mm
HeightKnown for one	Unknown — not stated by the source	25.4 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.