| Features |
OPP
OVP
SCP
UVP
|
NLO
OCP
OPP
OTP
OVP
SCP
SIP
UVP
|
NLO
OCP
OPP
OTP
OVP
SCP
SIP
UVP
|
<not specified> |
<not specified> |
<not specified> |
Axial-tech fan design
OPP/OVP/SCP/OCP/OTP
|
Axial-tech fan design
OPP/OVP/SCP/OCP/OTP
|
135mm Silent Fan
Active Power Factor Correction
OVP/UVP/SCP/OOP/NLO/OCP
|
135mm Silent Fan
Active Power Factor Correction
OVP/UVP/SCP/OOP/NLO/OCP
|
Active PFC
|
Active PFC
|