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Product comparison · 2 fingerprint readers

HP 3GS21AA fingerprint reader USB 2.0 Black vs HP QZ672AT fingerprint reader USB 2.0 Black

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  • 5specifications compared
  • 2differ
  • 3identical
  • 13known for one product only

Key differences

The HP QZ672AT fingerprint reader USB 2.0 Black has 17 g more weight than the HP 3GS21AA fingerprint reader USB 2.0 Black (96 g vs 79 g). Scan area: 18 x 1280 mm on the HP 3GS21AA fingerprint reader USB 2.0 Black, 14.6 x 18.1 mm on the HP QZ672AT fingerprint reader USB 2.0 Black.

  • Scan area
    • 18 x 1280 mm
    • 14.6 x 18.1 mm
  • Weight
    • 79 g
    • 96 g

Side by side

Differences highlightedShow differences only
18 specifications
A

HP

3GS21AA fingerprint reader USB 2.0 Black

Model 3GS21AA

View product
B

HP

QZ672AT fingerprint reader USB 2.0 Black

Model QZ672AT

View product
Technical details1 differ
InterfaceUSB 2.0USB 2.0
Scan areaDiffers18 x 1280 mm14.6 x 18.1 mm
Greyscale levels256256
HP segmentKnown for oneBusiness
Weight & dimensions1 differ
WidthKnown for one162 mm
DepthKnown for one30 mm
HeightKnown for one20.7 mm
WeightDiffers79 g96 g
Poweridentical
USB poweredKnown for oneYes
DC input voltageKnown for one5 V
Power consumptionKnown for one100 mA
Colouridentical
Product colourBlackBlack
Operational conditionsidentical
Operating temperature (T-T)Known for one-20 - 70 °C
Operating relative humidity (H-H)Known for one5 - 93%
Softwareidentical
Windows operating systems supportedKnown for oneYes
System requirementsidentical
Minimum system requirementsKnown for oneHP RP7 7800
Other featuresidentical
Compatible operating systemsKnown for oneMicrosoft Windows 7 Professional Microsoft Windows 7 Professional 32-bit Microsoft Windows 7 Professional 64-bit Microsoft Windows Embedded POSReady 2009 Microsoft Windows Embedded POSReady 7 32-bit Microsoft Windows Embedded POSReady 7 64-bit Microsoft Windows XP Professional
Dimensions (WxDxH)Known for one77.8 x 99.98 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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