Koolance FAN-12025HBK
Koolance Inc. is a manufacturer well-known
for its liquid cooling systems and relevant components. Among the recent
products is the 120mm Koolance FAN-12025HBK. It is packed as an OEM
product without any box or accessories.
The Koolance FAN-12025HBK looks common with
a black frame and a glossy 7-blade impeller:
The
impeller
Its dimension is 120x120x25mm and its
weight is 14g. Made in China, the model costs $10, coming with a 1-year
warranty.
The blades have broad angles and sharp
edges. The frame’s inferior surface is beveled yet these cut-edges are smoothly
sharpened.
The
fan viewed from a tilt angle
There are cushion pads in the frame’s
corners thus you won’t be able to tight the fan closely by using the holes in
the interior surface. The diameter of impeller and motor are, respectively, 113mm
and 43mm.
The Koolance FAN-12025HBK has its speed
fixed at 2,600RPM and it is not adjustable by any method. Its specs promise to
bring an air flow of 107.6CFM and a static pressure of 5.4mm of water at the
noise of 32.8dBA.
The Koolance FAN-12025HBK features a common
Dual Ball Bearing technology. Though using no technology, it obtains the same
longevity as other models. However, its specs do not indicate it. As for power
parameter, the fan Eata 3.36W of power at 0.28A.
Power
specs
The cable’s length is around 0.5m. There
isn’t any PATA power adapter inbox. That’s what we can tell about this fan
model.
Koolance FAN-12025HBK technical specs
·
Dimensions, mm: 120x120x25
·
Blade count: 7
·
Blade diameter, mm: 113
·
Stator diameter, mm: 43
·
Weight (spec. /meas.), g: 143
·
Voltage. V’ DC – rated: 12
·
Voltage. V’ DC – start: N/A
·
Rated current, A: 0.28
·
Input power, Watt: 3.36
·
Bearing system: 2 ball
·
MTBF, hours: N/A
·
Fan speed – AVG: 2,600
·
Fan speed – delta, +/-: N/A
·
Airflow – CFM: 107.6
·
Airflow – m3/hour: 182.8
·
Static pressure, mmH20: 5.40
·
Noise level, dBA: 32.8
·
Cable length, mm: 500
·
Connector: 3 pin
·
PWM: (-)
·
Fan speed control: (-)
·
LED: (-)
·
Made in: China
·
Warranty, years: 1
·
Price: $10.0
Koolance FAN-12038HBK-184
If the previous Koolance products aren’t
strong enough for you, you may feel pleased with
the FAN-12038HBK-184 model.
FAN-12038HBK-184
The packaging of this Chinese model is
simply a plastic bag with usage warnings against the blades and 3 cables
considered the fan’s main opponents.
The
accessories
The Koolance FAN-12038HBK-184 is this
review’s only model that is 38mm thick. It weighs around 36g and incorporates a
112mm impeller and a 60mm motor.
The
product’s image
However, the 11 blades are not 38mm thick. Actually,
the impeller’s thickness is as only half: 19mm. The other half of thickness is for
blades which regulate the airflow.
It is crucial because the air flow needs
focusing on the object which are being cooled, in term with the highest speed
of the fan (4,000RPM). The Koolance FAN-12038HBK-184 is defined to have an airflow
record of 183.5CFM. Even the Scythe featuring the higher speed couldn’t do
that, at least, regarding its specs. The rest of the key features are quite
proper, too: a static pressure of 20.4mm of water and a noise level of 59dBA.
This model uses a dual ball bearing technology.
Its power specs are very impressive: over 2A and 24W!
Power
specs
The Koolance FAN-12038HBK-184 has no regulator
for fan speed. Its cable’s length is 500mm.
Koolance FAN-12038HBK-184 technical
specs
·
Dimensions, mm: 120x120x38
·
Blade count: 11
·
Blade diameter, mm: 112
·
Stator diameter, mm: 60
·
Weight (spec. /meas.), g: 364
·
Voltage. V’ DC – rated: 12
·
Voltage. V’ DC – start: N/A
·
Rated current, A: 2.00
·
Input power, Watt: 24.00
·
Bearing system: 2 ball
·
MTBF, hours: N/A
·
Fan speed – AVG: 4,000
·
Fan speed – delta, +/-: N/A
·
Airflow – CFM: 183.5
·
Airflow – m3/hour: 311.8
·
Static pressure, mmH20: 20.40
·
Noise level, dBA: 59
·
Cable length, mm: 500
·
Connector: 3 pin
·
PWM: (-)
·
Fan speed control: (-)
·
LED: (-)
·
Made in: China
·
Warranty, years: 1
·
Price: $24.00
LEPA 70D (LP70D12R)
LEPA turns up in this review with 4
products. The first is the 70D (LP70D12R). Its cardboard box has a big
plastic window through which you can see the impeller inside. Key features are
also on the box.
The
packaging
Specs are listed in detail on the back. The
fan is accompanied with screws and a PATA power adapter for a 12V, 7V or 5V power.
The
accessories
The fan is made in China and priced at
about $10, with a 1-year warranty. The LEPA 70D is very lightweight (107g). It owns
a classic design incorporating a 120mm-diameter fan: a black plastic frame and
a gray 7-blade 111mm impeller.
The
product’s image
LEPA engineers must have a simple thought with
this 70D version as they developing a product that is totally unremarkable.
The
product viewed from a tilt angle
The speed is specified at 1,600RPM but you
can lower it with the internal adapter down to 1,200 or 900 RPM by connecting
to 7V or 5V source respectively. The top airflow is specified to be 64.5CFM at
24dBA of noise plus a static pressure of 1.9mm of water. These parameters vary
when the fan is connected to the adapter listed in the table above.
The LEPA 70D looking smooth is well-known
for its only feature. It is the first product that has ever used
self-lubricating Barometric oil with low resistance and a longevity of 100,000h.
Another feature of the fan is to create a temperatures of 70°C for surround
environment. It’s your decision whether it’s good or not for computer.
The motor’s diameter is 40mm. You can see the
manufacturer’s name, model number, power specs and country of origin stickers.
Power
specs
The LEPA 70D’s peak power consumption is 3W
at 0.25A. This is an average power consumption.
The impeller is removable for cleaning and
lubricating if necessary.
When
the device is attached
The electric motor isn’t special but has
two capacitors here and this is good.
The
fan’s motor
The length of the flat 3-wire cable is
500mm.
LEPA 70D (LP70D12R) technical specs
·
Dimensions, mm: 120x120x25
·
Blade count: 7
·
Blade diameter, mm: 111
·
Stator diameter, mm: 40
·
Weight (spec. /meas.), g: 107
·
Voltage. V’ DC – rated: 5/7/12
·
Voltage. V’ DC – start: N/A
·
Rated current, A: 0.1/0.15/0.25
·
Input power, Watt: 0.5/1.05/3.0
·
Bearing system: Barometric Oilless
·
MTBF, hours: 100,000
·
Fan speed – AVG: 900/1,200/1,600
·
Fan speed – delta, +/-: N/A
·
Airflow – CFM: 38.8/51.7/64.5
·
Airflow – m3/hour: 66.0/87.9/116.4
·
Static pressure, mmH20: 0.74/1.26/1.90
·
Noise level, dBA: 16/20/24
·
Cable length, mm: 500
·
Connector: 3 pin/PATA
·
PWM: (+)
·
Fan speed control: (-)
·
LED: (+)
·
Made in: China
·
Warranty, years: 1
·
Price: $10.0
