Product comparison · 2 keyboards

Cherry Ultraslim 4100 vs Fujitsu LX850, CZ/SK

11specifications compared
11differ
0identical
27known for one product only

Key differences

Connectivity technology
- Ultraslim 4100:Wired
- LX850, CZ/SK:Wireless
Device interface
- Ultraslim 4100:PS/2
- LX850, CZ/SK:RF Wireless
Keyboard number of keys
- Ultraslim 4100:83
- LX850, CZ/SK:104
Product colour
- Ultraslim 4100:Grey
- LX850, CZ/SK:Black
Cable length
- Ultraslim 4100:1.75 m
- LX850, CZ/SK:1.5 m
Power consumption
- Ultraslim 4100:100 mA
- LX850, CZ/SK:30 mA
Mouse included
- Ultraslim 4100:No
- LX850, CZ/SK:Yes
Scroll
- Ultraslim 4100:No
- LX850, CZ/SK:Yes

Side by side

Differences highlightedShow differences only

Comparison of Ultraslim 4100, LX850, CZ/SK
38 specifications	A Cherry Ultraslim 4100 View product	B Fujitsu LX850, CZ/SK View product
Keyboard4 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	PS/2	RF Wireless
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Keyboard number of keysDiffers	83	104
CertificationDiffers	cURus, FCC, CE, VDE, BSMI, C-Tic k	CE, EN 55022 class B, EN 55024, EN 61000-3-2, EN 61000-3-3, EN 60950, IEC 60825-1Windows XP/Vista/7
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Design1 differ
Product colourDiffers	Grey	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Features1 differ
Cable lengthDiffers	1.75 m	1.5 m
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
Headphone outputsKnown for one	0	Unknown — not stated by the source
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
Power1 differ
Power consumptionDiffers	100 mA	30 mA
Battery typeKnown for one	Unknown — not stated by the source	AAA/AA NiMH
Number of batteries supportedKnown for one	Unknown — not stated by the source	4
Mouse2 differ
Mouse includedDiffers	No	Yes
ScrollDiffers	No	Yes
Movement resolutionKnown for one	Unknown — not stated by the source	1200 DPI
Buttons quantityKnown for one	Unknown — not stated by the source	10
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 40 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
Keyboard weightDiffers	400 g	1.3 kg
Keyboard dimensions (WxDxH)Known for one	Unknown — not stated by the source	470 x 191 x 19 mm
Mouse dimensions (WxDxH)Known for one	Unknown — not stated by the source	73 x 125.5 x 45.5 mm
Packaging dataidentical
Package widthKnown for one	285 mm	Unknown — not stated by the source
Package depthKnown for one	135 mm	Unknown — not stated by the source
Package heightKnown for one	30 mm	Unknown — not stated by the source
Other featuresidentical
Built-in touchpadKnown for one	No	Unknown — not stated by the source
DepthKnown for one	132 mm	Unknown — not stated by the source
HeightKnown for one	27 mm	Unknown — not stated by the source
InternalKnown for one	No	Unknown — not stated by the source
WidthKnown for one	282 mm	Unknown — not stated by the source
Packaging net weightKnown for one	0.5 kg	Unknown — not stated by the source
I/O portsKnown for one	PS/2	Unknown — not stated by the source
Channels quantityKnown for one	Unknown — not stated by the source	12 channels
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP/Vista/7
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No

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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