Product comparison · 2 keyboards

Ewent EW3107 keyboard Office USB QWERTY English Black vs Lenovo 40K9457 keyboard Universal PS/2 Romanian Black

13specifications compared
6differ
7identical
19known for one product only

Key differences

Recommended usage
- EW3107 keyboard Office USB QWERTY English Black:Office
- 40K9457 keyboard Universal PS/2 Romanian Black:Universal
Device interface
- EW3107 keyboard Office USB QWERTY English Black:USB
- 40K9457 keyboard Universal PS/2 Romanian Black:PS/2
Keyboard language
- EW3107 keyboard Office USB QWERTY English Black:English
- 40K9457 keyboard Universal PS/2 Romanian Black:Romanian
Wrist rest
- EW3107 keyboard Office USB QWERTY English Black:No
- 40K9457 keyboard Universal PS/2 Romanian Black:Yes
Cable length
- EW3107 keyboard Office USB QWERTY English Black:1.35 m
- 40K9457 keyboard Universal PS/2 Romanian Black:2 m
Power source type
- EW3107 keyboard Office USB QWERTY English Black:USB
- 40K9457 keyboard Universal PS/2 Romanian Black:PS/2

Side by side

Differences highlightedShow differences only

Comparison of EW3107, 40K9457
32 specifications	A Ewent EW3107 keyboard Office USB QWERTY English Black Model EW3107 View product	B Lenovo 40K9457 keyboard Universal PS/2 Romanian Black Model 40K9457 View product
Keyboard3 differ
Recommended usageDiffers	Office	Universal
Connectivity technology	Wired	Wired
Device interfaceDiffers	USB	PS/2
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Keyboard languageDiffers	English	Romanian
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
PurposeKnown for one	PC/Server	Unknown — not stated by the source
Pointing deviceKnown for one	Unknown — not stated by the source	No
Keyboard number of keysKnown for one	Unknown — not stated by the source	104
Windows keysKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	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
Design1 differ
Backlight	No	No
Keyboard style	Straight	Straight
Full-size keyboardKnown 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 indicatorsKnown for one	Unknown — not stated by the source	Yes
Features1 differ
Cable lengthDiffers	1.35 m	2 m
Power1 differ
Power source typeDiffers	USB	PS/2
Mouseidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Packaging contentidentical
Number of products included	1 pc(s)	1 pc(s)
Packaging dataidentical
Package widthKnown for one	470 mm	Unknown — not stated by the source
Package depthKnown for one	50 mm	Unknown — not stated by the source
Package heightKnown for one	170 mm	Unknown — not stated by the source
Package weightKnown for one	660 g	Unknown — not stated by the source
Other featuresidentical
InternalKnown for one	No	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	Unknown — not stated by the source	453 x 185 x 34 mm

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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