Product comparison · 2 keyboards

Cherry KC 4020 vs Lenovo 40K9436 keyboard Universal PS/2 Bulgarian Black

21specifications compared
12differ
9identical
24known for one product only

Key differences

Device interface
- KC 4020:USB
- 40K9436 keyboard Universal PS/2 Bulgarian Black:PS/2
Keyboard language
- KC 4020:German
- 40K9436 keyboard Universal PS/2 Bulgarian Black:Bulgarian
Keyboard form factor
- KC 4020:Mini
- 40K9436 keyboard Universal PS/2 Bulgarian Black:Full-size (100%)
Numeric keypad
- KC 4020:No
- 40K9436 keyboard Universal PS/2 Bulgarian Black:Yes
Keyboard number of keys
- KC 4020:88
- 40K9436 keyboard Universal PS/2 Bulgarian Black:104
Backlight
- KC 4020:Yes
- 40K9436 keyboard Universal PS/2 Bulgarian Black:No
Wrist rest
- KC 4020:No
- 40K9436 keyboard Universal PS/2 Bulgarian Black:Yes
Cable length
- KC 4020:1.8 m
- 40K9436 keyboard Universal PS/2 Bulgarian Black:2 m

Side by side

Differences highlightedShow differences only

Comparison of KC 4020, 40K9436
45 specifications	A Cherry KC 4020 View product	B Lenovo 40K9436 keyboard Universal PS/2 Bulgarian Black Model 40K9436 View product
Keyboard6 differ
Recommended usage	Universal	Universal
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	PS/2
Keyboard key switchKnown for one	Mechanical	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Keyboard languageDiffers	German	Bulgarian
Pointing device	No	No
Keyboard form factorDiffers	Mini	Full-size (100%)
Numeric keypadDiffers	No	Yes
Keyboard number of keysDiffers	88	104
Keyboard keys operating lifeKnown for one	10 million characters	Unknown — not stated by the source
Windows keys	Yes	Yes
USB hubKnown for one	No	Unknown — not stated by the source
PurposeKnown for one	Universal	Unknown — not stated by the source
Fingerprint readerKnown for one	No	Unknown — not stated by the source
CertificationDiffers	c-tick, UL, CE, FCC	FCC Part 15, Class B, UL 1950 (E164844), CSA C22.2 #0950-M89 (LR94275), Canada ICES-003 Class B; Canada NMB-003, Class B), CE (IEC 950, IEC 801-2, Level 3), TUV-GS ZH1/618 (R9552884), VCCI, C-Tick, MOC, BSMI, MIC, NOM
Design2 differ
BacklightDiffers	Yes	No
Backlight typeKnown for one	LED	Unknown — not stated by the source
Backlight colourKnown for one	White	Unknown — not stated by the source
Keyboard style	Straight	Straight
Ergonomic designKnown for one	Yes	Unknown — not stated by the source
Wrist restDiffers	No	Yes
Product colour	Black	Black
Surface colorationKnown for one	Monochromatic	Unknown — not stated by the source
LED indicators	Yes	Yes
Features1 differ
Cable lengthDiffers	1.8 m	2 m
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power source typeDiffers	USB	PS/2
Power consumptionKnown for one	200 mA	Unknown — not stated by the source
Mouseidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supported	Yes	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 50 °C	10 - 40 °C
Storage temperature (T-T)Known for one	-20 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Differs	305 x 146 x 15 mm	453 x 185 x 34 mm
Keyboard weightKnown for one	345 g	Unknown — not stated by the source
Packaging contentidentical
Number of products included	1 pc(s)	1 pc(s)
User guideKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	350 mm	Unknown — not stated by the source
Package depthKnown for one	193 mm	Unknown — not stated by the source
Package heightKnown for one	25 mm	Unknown — not stated by the source
Package weightKnown for one	488 g	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Logistics dataidentical
Products per master (outer) caseKnown for one	20 pc(s)	Unknown — not stated by the source
Products per palletKnown for one	480 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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