Second 140 mm Fan Roundup: Antec, bequiet!, Corsair, Scythe

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Antec TwoCool 140

Antec's TwoCool series is their basic fan line. It doesn't appear to be marketed or designed for any specific purpose; it's an unflashy, no fuss, no muss, standard case fan with nothing remarkable about it other than a dual-speed switch. We tested the 120 mm model and found it was really only worth using at full speed. Hopefully the 140 mm variant has something more to offer.


Like the TrueQuiet 140, the TwoCool 140 is entombed in the agonizing plastic clamshell.

The TwoCool has a traditional square box frame. The extras are the same as the TrueQuiet except standard steel screws replace the plastic pushpins for mounting.

The TwoCool 140 essentially has the same design as the 120 but its are translucent like the TrueQuiet. The blades have a more traditional shape and are significantly larger than the TrueQuiet as well.

Specifications: Antec TwoCool 140
Manufacturer Antec Power Rating 2.4 / 3.6 W
Model Number TwoCool 140 Airflow Rating 33.6 / 58.9 CFM
Bearing Type Sleeve Speed Rating 800 / 1,200 RPM
Frame Size 140 x 140 x 25 mm Noise Rating 21.8 / 26 dBA
Hub Size 41 mm Header Type 3-pin w/ molex adapter
Blade Diameter 133 mm Fan Mounts Screws
Cable Length 45 cm Weight 130 g
Starting Voltage 4.0 ~ 4.5 V Number of Samples 5
Corner Type Closed Retail Availability Yes
Extras: 8 cm molex adapter, two-speed switch.


This is the screen capture of Fan Xpert 2's auto-analysis of the Antec TwoCool 140.


Acoustic analysis of the Antec TwoCool 140.

SPCR Test Results: Antec TwoCool 140
Fan Speed (RPM)
1100
900
700
550
SPL (dBA@1m)
22~23
18
13
11
Thermal Rise (°C)
18
19
21
23
Airflow in/out (FPM)
470/580
-
-
230/330

At 1,100 and 900 RPM, the TwoCool 140's acoustic profile was dominated mainly by buzzing but it also had an underlying clicking. Like the 120 mm version, at lower speed, the decreased airflow and turbulence allowed the clicking to come to the forefront. In the grand scheme of things, it's not an awful sounding fan, but it is unremarkable.

Of the samples we received, there wasn't much difference between them except for the degree of clicking, though the relative level of variance was minor. The model we plucked out for testing was in the middle in this regard.

When we tested the TwoCool 120, its performance fell apart at lower speeds, but the 140 held strong. In fact it scored record low thermal rises at the 18, 13, and 11 dBA@1m levels, making it the champion of this roundup and all the fans we've tested so far. What TwoCool lacked in quietness, it made up for in efficiency.



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