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EK-Vardar EVO 120ER White BB (500-2200rpm) Fan - 120mmEK-Vardar EVO is industrial grade high-static pressure computer cooling fan, designed and built primarily for highest-performance computer liquid cooling systems. Developed in-house and first introduced in 2014, renowned EK-Vardar fans have now evolved into new EK-Vardar EVO lineup. EK-Vardar EVO fans with Extended range (ER) of PWM operation feature a special Start-Stop function which brings a true 0db experience for the absolute silent fan operation. EK-Vardar EVO is simply the best choice for computer radiator cooling as it provides unmatched performance throughout the entire operating range.
The key characteristics of EK-Vardar fans are:
High-static pressure / low noise profile - unlike other general-purpose computer cooling fans, the EK-Vardar family of fans is built specifically for computer liquid cooling systems, namely radiator cooling. The 7 fan blade design is optimized for high-pressure operation while maintaining the low noise profile throughout the whole operation range of the fan. Vardar's design and construction are also very suitable for high-performance air coolers or as case fans for restrictive cases with dust filters.
High-quality motor and bearing assembly - New electrical design, actively cooled motor windings and Hydro-Dynamic bearing with 50.000 hours life span (MTBF) ensures uninterrupted operation for years to come. Precise Pulse Width Modulation (PWM) for fan speed adjustment allows performance on demand. EK-Vardar EVO ER models feature hydro-dynamic bearing which is superior to double-ball bearing due to less friction, wear and vibration and consequently less noise.
Sealed-edge fan casing - The classic, yet effective square shape of the fan casing provides optimal performance in either pull- (suction) or push (pressure) regime without hydraulic losses thus ensuring the optimal cooling capacity of your liquid cooling radiators. The classic shape of the fan frame also allows easy cable routing while grouping more fans on one radiator.
0db regime - EK-Vardar EVO features a unique Start-Stop function which ensures the user a true 0db noise environment. When fan curve is set with the minimum threshold point below 25-30% PWM duty cycle (depending on motherboard model), the motor and the electronics will turn off and the fan will simply stop spinning. EK-Vardar EVO restarts operation automatically as fan control ramps up its operational duty cycle past threshold start-stop point. This feature is very useful for preventing radiator dust buildup in idling PCs and to prolong the lifecycle of the fan itself.
Timeless design - the EK-Vardar EVO fan fits subtly into any liquid cooling computer without drawing too much attention. Delivered in all white color scheme it blends perfectly with a sleek and minimalist looking EK-CoolStream liquid cooling radiator.
Mechanical and electrical specifications:
- Maximum speed: 2200 RPM (+/- 10%)
- Rated Voltage: 12V DC
- Power Draw: 2.16W
- PWM Duty Cycle: 25-100% - ER (Extended Range)
- Connector: 4-pin PWM header
- Shaft bearing: Hydro-Dynamic bearing
- Bearing durability: 50.000 hrs @ 40°C (MTBF)
- Dimensions: 120 x 120 x 25 mm
- Max Air Flow: 77 CFM = 131 m³/h
- Static Pressure: 3.16mm H2O = 31 Pa
- Sleeved cable length: 300 mm
- Noise Level: 33.5 dBA
- EK-Vardar EVO series fan
- Self-tapping screws (4 pcs)