Cherry Ultraslim Trackball Keyboard USB (HU) vs Hama "SL620" Slimline Keyboard

Comparison of Ultraslim Trackball Keyboard USB (HU), "SL620" Slimline Keyboard

21 specifications	A Cherry Ultraslim Trackball Keyboard USB (HU)View product	B Hama "SL620" Slimline KeyboardView product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	USB + PS/2
Keyboard layoutKnown for one	QWERTY	—Unknown — not stated by the source
Keyboard number of keysKnown for one	84	—Unknown — not stated by the source
CertificationKnown for one	c-tick, GOST-R, UL, VCCI, CE, FCC, VDE, BSMI	—Unknown — not stated by the source
Designidentical
Product colourKnown for one	Black	—Unknown — not stated by the source
Featuresidentical
Cable lengthKnown for one	1.75 m	—Unknown — not stated by the source
Plug and PlayKnown for one	Yes	—Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 50 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	370 x 139 x 19.6 mm	—Unknown — not stated by the source
Keyboard weightKnown for one	563 g	—Unknown — not stated by the source
Packaging dataidentical
Package dimensions (WxDxH)Known for one	400 x 195 x 32 mm	—Unknown — not stated by the source
Package widthKnown for one	400 mm	—Unknown — not stated by the source
Package depthKnown for one	195 mm	—Unknown — not stated by the source
Package heightKnown for one	32 mm	—Unknown — not stated by the source
Package weightKnown for one	720 g	—Unknown — not stated by the source
System requirementsidentical
Mac operating systems supportedKnown for one	—Unknown — not stated by the source	No
Other featuresidentical
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows 98SE/ME/2000/XP/Vista
InternalKnown 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.