Product comparison · 2 scanners

Plustek MobileOffice S400 Sheet-fed scanner vs Plustek MobileOffice S420 Sheet-fed scanner

Key differences

Maximum scan size
- MobileOffice S400 Sheet-fed scanner:216 x 910 mm
- MobileOffice S420 Sheet-fed scanner:216 x 355 mm
Product colour
- MobileOffice S400 Sheet-fed scanner:Black
- MobileOffice S420 Sheet-fed scanner:Black, Silver
ISO A-series sizes (A0...A9)
- MobileOffice S400 Sheet-fed scanner:A4, A5, A6
- MobileOffice S420 Sheet-fed scanner:A4
USB version
- MobileOffice S400 Sheet-fed scanner:1.1
- MobileOffice S420 Sheet-fed scanner:2.0
Standard interfaces
- MobileOffice S400 Sheet-fed scanner:USB 1.1
- MobileOffice S420 Sheet-fed scanner:USB 2.0
Weight
- MobileOffice S400 Sheet-fed scanner:330 g
- MobileOffice S420 Sheet-fed scanner:412 g
Dimensions (WxDxH)
- MobileOffice S400 Sheet-fed scanner:274 x 33.8 x 47 mm
- MobileOffice S420 Sheet-fed scanner:295 x 40 x 50 mm

Differences highlightedShow differences only

Comparison of S400, S420
23 specifications	A Plustek MobileOffice S400 Sheet-fed scanner Model S400 View product	B Plustek MobileOffice S420 Sheet-fed scanner Model S420 View product
Scanning1 differ
Maximum scan sizeDiffers	216 x 910 mm	216 x 355 mm
Optical scanning resolution	600 x 600 DPI	600 x 600 DPI
Colour scanning	Yes	Yes
Input colour depth	48 bit	48 bit
Film scanning	No	No
Design1 differ
Scanner type	Sheet-fed scanner	Sheet-fed scanner
Built-in display	No	No
Product colourDiffers	Black	Black, Silver
Performanceidentical
Sensor type	CIS	CIS
Paper handling1 differ
Maximum ISO A-series paper size	A4	A4
ISO A-series sizes (A0...A9)Differs	A4, A5, A6	A4
Ports & interfaces2 differ
USB port	Yes	Yes
USB versionDiffers	1.1	2.0
Standard interfacesDiffers	USB 1.1	USB 2.0
Networkidentical
Supported network protocolsKnown for one	TWAIN	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	2.2 W	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	330 g	412 g
System requirements1 differ
Compatible operating systemsDiffers	Windows XP, 2000, Vista, 7	Window 2000, Window XP, Window Vista, Window 7
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Minimum processorKnown for one	1 GHz	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	800 MB	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	274 x 33.8 x 47 mm	295 x 40 x 50 mm
CertificationKnown for one	WEEE, ROHS	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.