QuickSpecs

QuickSpecs
HP ProDesk 490 G2 Microtower Business PC
Technical Specifications - Input/Output Devices
c04310461 —1500—Worldwide — Version 8—April 22, 2015
Page 67
Microsoft PC99 -
2001
1000 ± 20% DPI
Scroll wheel
Width
6 mm
Diameter
1 in (25.4 mm)
Maximum rotation
force
48 rats/sec
Switch type
Light force micro-switch
Switch life
3 million operations
Mechanical life
Minimum 200,000 revolutions
Regulatory
Approvals
FCC, CE Mark, ICES-003-B, IP66/NEMA4X