Product comparison · 2 keyboards

Manhattan 155120 keyboard PS/2 Black vs Manhattan 177511 keyboard USB Black

Key differences

Device interface
- 155120 keyboard PS/2 Black:PS/2
- 177511 keyboard USB Black:USB
Cable length
- 155120 keyboard PS/2 Black:1.3 m
- 177511 keyboard USB Black:1.4 m
Compatible operating systems
- 155120 keyboard PS/2 Black:Windows 2000/XP/Vista/7
- 177511 keyboard USB Black:Windows XP/Vista/7

Differences highlightedShow differences only

Comparison of 155120, 177511
17 specifications	A Manhattan 155120 keyboard PS/2 Black Model 155120 View product	B Manhattan 177511 keyboard USB Black Model 177511 View product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interfaceDiffers	PS/2	USB
Keyboard number of keysKnown for one	107	Unknown — not stated by the source
CertificationKnown for one	FCC, CE, WEEE	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Features1 differ
Cable lengthDiffers	1.3 m	1.4 m
Mouseidentical
Mouse included	No	No
System requirementsidentical
Mac operating systems supported	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
Operating relative humidity (H-H)Known for one	80 - 95%	Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	440 x 160 x 20 mm	Unknown — not stated by the source
Keyboard weightKnown for one	Unknown — not stated by the source	765 g
Other features1 differ
Compatible operating systemsDiffers	Windows 2000/XP/Vista/7	Windows XP/Vista/7
DepthKnown for one	Unknown — not stated by the source	180 mm
HeightKnown for one	Unknown — not stated by the source	13 mm
WidthKnown for one	Unknown — not stated by the source	480 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.