*Stock Fans

V1 (AC 110-120V)
V2 (AC 220-240V)
V3 (AC 380V)
V4 (AC 440V)
V280 (AC 280V)
V480 (AC 480V)
V12 AC 12V
V24 AC 24V
DV (Dual Voltage)

S: Super High
H: High
M: Medium
L: Low
XL: Extra Low

M: Metal Impeller

Different Suffix for different mold

D: DC Axial Fan
DB: DC Blower

V5(DC 5V)
V12(DC 12V)
V24(DC 24V)
V48(DC 48V)

SH: Super Speed-High
SM: Super Speed-Medium
SL: Super Speed-Low
H: High
M: Medium
L: Low
XL: Extra Low
XXL: Double Extra Low

B: Ball
S: Sleeve
O: One Ball One Sleeve
X: FDB

2:  Noise-Canceling Impellers

5: 5 Impellers

9: 9 Impellers

FG: FG Signal
RD: RD Signal
PWM: PWM Signal
VC: Voltage Control
TC:Temperature Control

DCF: DC Centrifugal Fan
DCB: DC Centrifugal Blower