The spec of the single fan of 2000RPM
Dimensions:
120x120x25mmConnector: USB
Rated Voltage: 5VRated
Current: 0.2 ±10%
AmpRated Speed: 2000±10%rpm (choose 1200RPM or 2000RPM)
Air flow: 85CFM
Noise:
25±10%dBABearingType:
HydraulicLife: 35000 hoursCable
Lenght:
100cmWeight: 160g/pcsPacking
include: 1 set(1x dc fan, 1x 12cm fan Protective net, 4X Foot columns, 8Xscrews)