Quick Answer
A 120mm ARGB fan pack typically includes three fans, a lighting controller or hub, and the cabling to connect them to your motherboard's PWM and ARGB headers. Multi-fan cooling layouts for 120mm fans follow a standard front intake plus rear exhaust pattern, with optional top exhaust positions that scale with case support.
What Comes in a 120mm ARGB Fan Pack 📦
Most three-fan ARGB packs bundle three 120mm fans with either a dedicated controller puck, a hub that plugs into a USB 2.0 header, or daisy-chain connectors that link fans in series. Controller-based packs (common from brands like DeepCool and Corsair) include a small box that receives PWM signals from the motherboard and outputs synchronised speed and lighting commands to all three fans simultaneously. Daisy-chain designs (popularised by Lian Li Uni Fan) link each fan directly to the next, eliminating the hub entirely. The advantage of packs over individual fans is pricing: a three-pack typically costs R80 to R150 less than three singles, and everything is matched for identical lighting colour and brightness. In SA, three-packs of 120mm ARGB fans range from around R600 for value-tier options to R1,400 or more for flagship models with tight blade tolerances and fully addressable 16-LED rings.
Standard Multi-Fan Cooling Layouts 🌀
For a typical mid-tower with three 120mm front mounts, one rear 120mm mount, and two or three top 120mm mounts, the reference layout runs three fans as front intakes and one fan as a rear exhaust. This gives a slight positive pressure bias that reduces dust ingress through unfiltered gaps. Adding two fans on top as exhausts creates a balanced system where intake and exhaust volumes are roughly equal, letting heat from the CPU and GPU rise naturally toward the top exits. If the case supports a 360mm radiator on the front, the three front fans become radiator-mounted static pressure fans that double as intakes, and the top fans handle exhaust. This is the most common AIO-compatible layout for high-performance builds.
Cable Management in Multi-Fan Setups 🔌
Three 120mm fans each carry a 4-pin PWM connector and a 3-pin ARGB connector, producing six cables for three fans. Without a hub or daisy-chain design, this creates significant cable bulk behind the front panel. A fan hub plugging into a single motherboard PWM and ARGB header reduces this to two cables at the motherboard end, with the hub handling power distribution internally. Daisy-chain fans reduce it further to one PWM and one ARGB run from the first fan in the chain. SA builders running full-glass cases benefit the most from clean cable routing because any bundled cables visible through the front panel degrade the aesthetic impact of the ARGB lighting. Velcro straps or rubber cable tie points on the rear of the case tray are adequate for keeping the runs tidy.
Use a Splitter for RGB Hubs ⚡
If your motherboard only has one ARGB header but your fan pack uses a controller hub, run a 1-to-2 ARGB splitter so you can also connect a second lighting component like a strip or cooler. Keep total LED count under 60 per header output to stay within the 3A current limit at 5V.
FAQ
Can I mix 120mm fan packs from different brands in one build?
Yes, but lighting sync may not be perfect across ecosystems. If both brands support 3-pin 5V ARGB, you can mix them on the same header, though colour calibration and animation timing may differ slightly.
How many 120mm fans does a standard mid-tower support?
Most mid-towers support three front, one rear, and two top fans for up to six 120mm fans total. Some larger mid-towers extend this to seven or eight.
Do fan packs include PWM speed control?
Almost all current 120mm ARGB packs include 4-pin PWM connectors. If a pack uses a hub, confirm the hub supports PWM pass-through so the motherboard can control fan curves via the BIOS.
Building a multi-fan setup?
Evetech stocks 120mm ARGB fan packs and controllers for builds from budget to flagship. Find the pack that fits your case layout and RGB ecosystem.