Product comparison · 2 keyboards

KeySonic ACK-540ALU+RF keyboard RF Wireless English Black vs KeySonic KSK-8004U (US)

14specifications compared
8differ
6identical
39known for one product only

Key differences

Connectivity technology
- ACK-540ALU+RF keyboard RF Wireless English Black:Wireless
- KSK-8004U (US):Wired
Device interface
- ACK-540ALU+RF keyboard RF Wireless English Black:RF Wireless
- KSK-8004U (US):USB
Keyboard language
- ACK-540ALU+RF keyboard RF Wireless English Black:English
- KSK-8004U (US):US English
Keyboard form factor
- ACK-540ALU+RF keyboard RF Wireless English Black:Mini
- KSK-8004U (US):Full-size (100%)
Numeric keypad
- ACK-540ALU+RF keyboard RF Wireless English Black:No
- KSK-8004U (US):Yes
Wrist rest
- ACK-540ALU+RF keyboard RF Wireless English Black:Yes
- KSK-8004U (US):No
Power source type
- ACK-540ALU+RF keyboard RF Wireless English Black:Battery
- KSK-8004U (US):USB

Side by side

Differences highlightedShow differences only

Comparison of ACK-540ALU+RF, KSK-8004U (US)
53 specifications	A KeySonic ACK-540ALU+RF keyboard RF Wireless English Black Model ACK-540ALU+RF View product	B KeySonic KSK-8004U (US)View product
Keyboard5 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard languageDiffers	English	US English
Pointing deviceKnown for one	Touchpad + mouse buttons	Unknown — not stated by the source
Keyboard form factorDiffers	Mini	Full-size (100%)
Numeric keypadDiffers	No	Yes
Keyboard number of keysKnown for one	89	Unknown — not stated by the source
Keyboard keys operating lifeKnown for one	5 million characters	Unknown — not stated by the source
Purpose	Universal	Universal
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Actuation forceKnown for one	55 g	Unknown — not stated by the source
Frequency bandKnown for one	2.4 - 2.483 GHz	Unknown — not stated by the source
Recommended usageKnown for one	Unknown — not stated by the source	Universal
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Windows keysKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Design1 differ
Backlight	No	No
Keyboard style	Straight	Straight
Wrist restDiffers	Yes	No
Product colour	Black	Black
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Adjustable keyboard heightKnown for one	Unknown — not stated by the source	Yes
Surface colorationKnown for one	Unknown — not stated by the source	Monochromatic
MaterialKnown for one	Unknown — not stated by the source	Plastic
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Wireless rangeKnown for one	5 m	Unknown — not stated by the source
Cable lengthKnown for one	Unknown — not stated by the source	1.5 m
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power source typeDiffers	Battery	USB
Power consumptionKnown for one	40 mA	Unknown — not stated by the source
Battery typeKnown for one	AAA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
System requirements1 differ
Windows operating systems supportedDiffers	Windows 2000, Windows 98SE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vist	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	-5 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	317 x 231 x 26 mm	Unknown — not stated by the source
Keyboard weightKnown for one	1.02 kg	Unknown — not stated by the source
Packaging contentidentical
Receiver includedKnown for one	Yes	Unknown — not stated by the source
Wireless receiver interfaceKnown for one	USB Type-A	Unknown — not stated by the source
Receiver dimensions (WxDxH)Known for one	63 x 23 x 11.5 mm	Unknown — not stated by the source
Receiver weightKnown for one	9 g	Unknown — not stated by the source
Batteries includedKnown for one	Yes	Unknown — not stated by the source
User guide	Yes	Yes
Packaging dataidentical
Package widthKnown for one	361 mm	Unknown — not stated by the source
Package depthKnown for one	288 mm	Unknown — not stated by the source
Package heightKnown for one	41 mm	Unknown — not stated by the source
Package weightKnown for one	1.28 kg	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Box

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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