HP 164989-B31 keyboard PS/2 QWERTY vs HP 434820-B31 keyboard PS/2 QWERTY

Comparison of 164989-B31, 434820-B31

21 specifications	A HP 164989-B31 keyboard PS/2 QWERTY Model 164989-B31 View product	B HP 434820-B31 keyboard PS/2 QWERTY Model 434820-B31 View product
Keyboardidentical
Connectivity technology	Wired	Wired
Device interface	PS/2	PS/2
Keyboard layout	QWERTY	QWERTY
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypadKnown for one	—Unknown — not stated by the source	Yes
PurposeKnown for one	—Unknown — not stated by the source	PC/Server
Country of origin	China	China
Pointing deviceKnown for one	Trackball	—Unknown — not stated by the source
Hot keysKnown for one	Yes	—Unknown — not stated by the source
Designidentical
Keyboard style	Straight	Straight
Adjustable keyboard heightKnown for one	—Unknown — not stated by the source	Yes
LED indicatorsKnown for one	—Unknown — not stated by the source	Yes
Surface colorationKnown for one	Monochromatic	—Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Poweridentical
Power source typeKnown for one	—Unknown — not stated by the source	PS/2
Mouseidentical
Mouse included	No	No
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	0 - 50 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	5 - 95%
Packaging contentidentical
Number of products includedKnown for one	—Unknown — not stated by the source	1 pc(s)
Other featuresidentical
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.