Dell 580-16495 keyboard Office USB QWERTY vs Lenovo USB Smartcard Keyboard HU

Comparison of 580-16495, USB Smartcard Keyboard HU

22 specifications	A Dell 580-16495 keyboard Office USB QWERTY Model 580-16495 View product	B Lenovo USB Smartcard Keyboard HUView product
Keyboardidentical
Keyboard number of keysKnown for one	—Unknown — not stated by the source	104
Keyboard layoutKnown for one	QWERTY	—Unknown — not stated by the source
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
Keyboard styleKnown for one	Straight	—Unknown — not stated by the source
Wrist restKnown for one	No	—Unknown — not stated by the source
LED indicatorsKnown for one	Yes	—Unknown — not stated by the source
Featuresidentical
Cable lengthKnown for one	—Unknown — not stated by the source	2.3 m
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	1
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	10 - 40 °C
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	—Unknown — not stated by the source	457 x 185 x 35 mm
Keyboard weightKnown for one	—Unknown — not stated by the source	1.06 kg
Other features1 differ
CompatibilityDiffers	Dell Optiplex 3 80 MT/DT/SF / 390 MT/DT/SFF / 580 MT/DT/SFF / 780 MT/DT/SF / 790 MT/DT/SFF / 790 USFF / 960 MT/DT/SF / 980 MT/DT/SF / FX130 / FX160 DT / FX170 / XE DT/SFF / XE OEM DT/SFF Dell Precision R5400 FS / R5500 FS / T1500 MT / T3500 MT/DT / T5500 MT/DT / T7500 MT	ISO 7816-1, 2, 3, 4
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows XP, Vista
InternalKnown for one	—Unknown — not stated by the source	No
Poweridentical
Power source typeKnown for one	USB	—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.