Product comparison · 2 keyboards

Cherry Ultraslim 4400 Series USB Keyboard with Trackball vs KeySonic ACK-540RF keyboard RF Wireless QWERTZ Silver

7specifications compared
6differ
1identical
24known for one product only

Key differences

Connectivity technology
- Ultraslim 4400 Series USB Keyboard with Trackball:Wired
- ACK-540RF keyboard RF Wireless QWERTZ Silver:Wireless
Device interface
- Ultraslim 4400 Series USB Keyboard with Trackball:USB + PS/2
- ACK-540RF keyboard RF Wireless QWERTZ Silver:RF Wireless
Operating temperature (T-T)
- Ultraslim 4400 Series USB Keyboard with Trackball:0 - 50 °C
- ACK-540RF keyboard RF Wireless QWERTZ Silver:-5 - 40 °C
Storage temperature (T-T)
- Ultraslim 4400 Series USB Keyboard with Trackball:-20 - 60 °C
- ACK-540RF keyboard RF Wireless QWERTZ Silver:-20 - 65 °C
Keyboard dimensions (WxDxH)
- Ultraslim 4400 Series USB Keyboard with Trackball:370 x 139 x 20 mm
- ACK-540RF keyboard RF Wireless QWERTZ Silver:300 x 20.5 x 210 mm
Keyboard weight
- Ultraslim 4400 Series USB Keyboard with Trackball:600 g
- ACK-540RF keyboard RF Wireless QWERTZ Silver:570 g

Side by side

Differences highlightedShow differences only

Comparison of Ultraslim 4400 Series USB Keyboard with Trackball, ACK-540RF
31 specifications	A Cherry Ultraslim 4400 Series USB Keyboard with Trackball View product	B KeySonic ACK-540RF keyboard RF Wireless QWERTZ Silver Model ACK-540RF View product
Keyboard2 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB + PS/2	RF Wireless
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Keyboard number of keysKnown for one	Unknown — not stated by the source	88
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Pointing deviceKnown for one	Trackball 16mm	Unknown — not stated by the source
CertificationKnown for one	cURus, FCC, CE, VDE, C-Tick, VCCI, GUST-R (PS/2 version: RRL, BSMI)	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Silver
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	1.75 m	Unknown — not stated by the source
Poweridentical
Battery typeKnown for one	Unknown — not stated by the source	AAA
Number of batteries supportedKnown for one	Unknown — not stated by the source	4
Power consumptionKnown for one	100 mA	Unknown — not stated by the source
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °C	-5 - 40 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-20 - 65 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	370 x 139 x 20 mm	300 x 20.5 x 210 mm
Keyboard weightDiffers	600 g	570 g
Packaging contentidentical
Receiver dimensions (WxDxH)Known for one	Unknown — not stated by the source	80 x 14 x 22570 mm
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	348 x 27 x 238 mm
Package weightKnown for one	Unknown — not stated by the source	740 g
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Win 98SE / ME / 2000 / XP / Vista
InternalKnown for one	Unknown — not stated by the source	No
Keyboard function keysKnown for one	Two switch activated mouse buttons	Unknown — not stated by the source
Logistics dataidentical
Case or master carton dimensions (W x D x H)Known for one	Unknown — not stated by the source	570 x 240 x 345 mm
Master (outer) cases per palletKnown for one	2 pc(s)	Unknown — not stated by the source
Outer cartonidentical
Quantity outer cartonKnown for one	124 pc(s)	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.

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