Product comparison · 2 keyboards

Lenovo 55Y9044 keyboard USB Black vs Lenovo Ultraslim Plus Wireless Keyboard and Mouse ES

8specifications compared
6differ
2identical
28known for one product only

Key differences

Connectivity technology
- 55Y9044 keyboard USB Black:Wired
- Ultraslim Plus Wireless Keyboard and Mouse ES:Wireless
Device interface
- 55Y9044 keyboard USB Black:USB
- Ultraslim Plus Wireless Keyboard and Mouse ES:RF Wireless
Purpose
- 55Y9044 keyboard USB Black:PC/Server
- Ultraslim Plus Wireless Keyboard and Mouse ES:HTPC
Mouse included
- 55Y9044 keyboard USB Black:No
- Ultraslim Plus Wireless Keyboard and Mouse ES:Yes
Keyboard dimensions (WxDxH)
- 55Y9044 keyboard USB Black:313 x 220 x 19 mm
- Ultraslim Plus Wireless Keyboard and Mouse ES:163 x 432 x 22 mm
Keyboard weight
- 55Y9044 keyboard USB Black:460 g
- Ultraslim Plus Wireless Keyboard and Mouse ES:709 g

Side by side

Differences highlightedShow differences only

Comparison of 55Y9044, Ultraslim Plus Wireless Keyboard and Mouse ES
36 specifications	A Lenovo 55Y9044 keyboard USB Black Model 55Y9044 View product	B Lenovo Ultraslim Plus Wireless Keyboard and Mouse ES View product
Keyboard3 differ
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	Spanish
Keyboard form factor	Full-size (100%)	Full-size (100%)
Programmable hot keysKnown for one	Unknown — not stated by the source	Yes
PurposeDiffers	PC/Server	HTPC
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Designidentical
Adjustable keyboard heightKnown for one	Unknown — not stated by the source	Yes
Product colour	Black	Black
Protection featuresKnown for one	Unknown — not stated by the source	Spill resistant
BacklightKnown for one	No	Unknown — not stated by the source
Keyboard styleKnown for one	Straight	Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	1.2 m	Unknown — not stated by the source
Poweridentical
Power source typeKnown for one	Unknown — not stated by the source	Battery
Power consumptionKnown for one	Unknown — not stated by the source	1000 mA
Battery typeKnown for one	Unknown — not stated by the source	AA / AAA
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
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	2
ScrollKnown for one	Unknown — not stated by the source	Yes
System requirementsidentical
USB requiredKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	No	Unknown — not stated by the source
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	313 x 220 x 19 mm	163 x 432 x 22 mm
Keyboard weightDiffers	460 g	709 g
Mouse dimensions (WxDxH)Known for one	Unknown — not stated by the source	55 x 95 x 32 mm
Mouse weightKnown for one	Unknown — not stated by the source	108 g
Packaging contentidentical
Receiver includedKnown for one	Unknown — not stated by the source	Yes
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB Type-A
Receiver typeKnown for one	Unknown — not stated by the source	Nano receiver
Batteries includedKnown for one	Unknown — not stated by the source	Yes
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP, Vista, 7
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.

More keyboard comparisons

All keyboard comparisons