The background for this is that air flow capacity that is NOT equal (and that almost always happens) results in the air pressure inside your case being different from outside. In setting up fans, one factor is the balance of air intake capacity versus air exhaust capacity. But there's another factor to consider that will impact what you choose. In practice that would be almost impossible - the rear fan location, I am sure, cannot accept a 140 mm fan, although it may well be possible for the top. One suggestion above was to upgrade to larger 140 mm fans for both the top and rear exhaust positions. You have one in use now, and you COULD (if you choose, but not necessary) use one more Splitter to connect both exhaust fans to ONE of your mobo headers. OP, your plan is to keep on using 4 fans total - 2 140 mm front intakes and 2 120mm top and rear exhausts. A HUB has those PLUS a third type of connection to the PSU for power. Hint on how to identify: a SPLITTER has ONE "arm" (or other input for certain designs) for input and two or more output "arms" for the fans. So if you have 3-pin fans, you can only use a Splitter for them. HOWEVER, almost all HUBS are designed to be able to control the speed ONLY of PWM 4-pin fans - they can NOT control the speed of older 3-pin fans. This is the easy way to connect many fans to a single header (without risking overloading the header's 1.0 A limit) and have them all receive the same signals. These sources have much higher limits on max current available (4.5 A from SATA, more from Molex) so one rarely finds the total number of fans on a Hub exceeds the power limit. Instead it uses an EXTRA connection "arm" to get power directly from the PSU via either a SATA power output or a 4-pin Molex output. The major difference is that it draws NO power for its fans from the mobo host header. Most current fans max out at 0.10 to 0.25 A max current, so having three or four of these on ONE Splitter and header is OK. In using a Splitter, you MUST check the max current draw spec for each fan in the group and add them up. It connects all its fans in parallel to the header, so the only source of power for those fans us what the header can provide. and WATCH OUT for the terms that sellers use for these devices - they often misuse the terms by treating them as meaning the same thing, and they are NOT. This directly impacts the choice if Splitter versus Hub. Most mobo fan headers can provide power up to a max total load of 1.0 A per header. However, if they differ (for example, your situation with 140 mm fans on one header and 120 mm fans on another), then their performance will differ. Recognize also that fans connected to DIFFERENT mobo fan header BUT fed the same signals (i.e., their two headers are configured identically) then those fans WILL match each other in performance IF they are identical fans. If the fans are different, then their performances will differ. IF those fans are identical, then their speeds and resulting air flows will be VERY close to each other. When you do that, ALL fans on that connection device receive exactly the same power and control signals. Both types of devices allow you to connect two or more fans to a single mobo fan header. The NZXT Aer RGB 2 copper fluid dynamic bearings are designed to last for over six years whereas delivering reliable and quiet performance.Splitters and Hubs can do very much the same jobs IF the power limits are right. NZXT Aer RGB 2 every vane encompasses a specially designed winglet tip that reduces drag and boosts performance. The NZXT Aer RGB 2 PWM static pressure fan options a chamfered intake and exhaust to boost the general flow of air and pressure. NZXT Aer RGB 2 140mm fan includes eight programmable RGB LEDs, which might be designed to exploit the NZXT CAM Dashboard computer code for a range of effects and synchronized with HUE 2-compatible devices. Its sturdy fluid dynamic bearings are created to perform faithfully for over six years, NZXT Aer RGB 2 operational quietly between twenty-two and thirty-one dBA to cut back distractions whereas you set on a lightweight show once taking part in games or look movies. NZXT Aer RGB 2 Case Fan additionally includes eight programmable RGB LED lights which will be synced with HUE 2-compatible peripherals exploitation the NZXT CAM Dashboard computer code for dazzling effects. NZXT Aer RGB 2 Case Fan options a chamfer style with winglet tip blades to reduce drag and optimize each flow of air and pressure, reaching speeds between five hundred and 1500 rpm. Control Method: PWM (Pulse Width Modulation)Įnhance your desktop computer's cooling and elegance with the NZXT Aer RGB two 140mm Fan.Bearing Type: Fluid Dynamic Bearings (FDB).
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