Product comparison · 2 keyboards

Dell KB1421 keyboard Universal USB Black vs Dell Logitech MK520

Key differences

Connectivity technology
- KB1421 keyboard Universal USB Black:Wired
- Logitech MK520:Wireless
Device interface
- KB1421 keyboard Universal USB Black:USB
- Logitech MK520:RF Wireless
Purpose
- KB1421 keyboard Universal USB Black:Universal
- Logitech MK520:PC/Server
Wrist rest
- KB1421 keyboard Universal USB Black:No
- Logitech MK520:Yes
Mouse included
- KB1421 keyboard Universal USB Black:No
- Logitech MK520:Yes

Differences highlightedShow differences only

Comparison of KB1421, Logitech MK520
25 specifications	A Dell KB1421 keyboard Universal USB Black Model KB1421 View product	B Dell Logitech MK520 View product
Keyboard3 differ
Recommended usage	Universal	Universal
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Keyboard languageKnown for one	Unknown — not stated by the source	US International
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Keyboard number of keysKnown for one	Unknown — not stated by the source	7
Hot keysKnown for one	Unknown — not stated by the source	Yes
PurposeDiffers	Universal	PC/Server
Smart card readerKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Keyboard style	Straight	Straight
Full-size keyboard	Yes	Yes
Wrist restDiffers	No	Yes
Product colour	Black	Black
Surface coloration	Monochromatic	Monochromatic
LED indicators	Yes	Yes
BacklightKnown for one	No	Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
Mouse1 differ
Mouse includedDiffers	No	Yes
Movement detection technologyKnown for one	Unknown — not stated by the source	Laser
Buttons quantityKnown for one	Unknown — not stated by the source	3
ScrollKnown for one	Unknown — not stated by the source	Yes
Scroll typeKnown for one	Unknown — not stated by the source	Wheel
Other featuresidentical
QuantityKnown for one	1	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.