Case Fans 120mm & 140mm for PC Cases
Case fans are used to improve airflow inside a PC case and help cool key components. In this category you can find 120mm and 140mm fans, models with PWM speed control, ARGB lighting, and both single fans and multi-pack options. They are suitable for new PC builds, cooling upgrades, or replacing worn-out case fans in an existing system.
Case fans play an important role in maintaining steady airflow inside a computer case, helping move warm air out and bring cooler air in. This category includes popular 120mm and 140mm case fans, models with PWM speed control, ARGB lighting options, and both single units and multi-pack sets. Whether you are building a new desktop, upgrading airflow for gaming or everyday use, or replacing an older fan, the assortment covers practical options for different PC setups.
How to choose a case fan
Start by checking which fan sizes your case supports and how many mounting positions are available. It is also useful to decide whether you need fans for intake, exhaust, or a balanced combination of both. PWM fans offer more flexible speed adjustment through the motherboard, while ARGB models are a good fit if you want lighting effects as well as cooling. If you plan to upgrade several fan positions at once, a multi-pack can be a convenient choice.
- Size: 120mm and 140mm are the most common case fan formats.
- Control: PWM support helps adjust fan speed to system demand.
- Lighting: ARGB fans add visual style to your PC build.
- Placement: choose fans for intake, exhaust, or both airflow directions.
- Pack options: single fans suit replacements, while sets help with full airflow upgrades.
Browse the available case fans and compare sizes, features, and design options to find the right match for your PC case and cooling layout.
Frequently Asked Questions
How do I know if my case supports 120mm or 140mm fans?
Check your PC case specifications or the fan mounting positions. The case must support the fan size you want to install.
What is a PWM case fan?
A PWM fan allows the motherboard to control fan speed more precisely based on system temperature and load.
Is ARGB different from a regular case fan?
Yes. ARGB models include controllable lighting, while the core cooling function remains the same.
Should I choose a single fan or a multi-pack?
A single fan is useful for replacement, while a multi-pack is practical if you want to upgrade airflow in several positions at once.
What are the most popular 2026 products in category - Case Fans 120mm & 140mm for PC Cases
What are the newest products in category - Case Fans 120mm & 140mm for PC Cases
- PC Cooling Fans 3-Pack Thermaltake SWAFAN 120 EX INFINITY Snow Wood Edition, 120 mm, White
- Thermaltake SWAFAN 120 EX INFINITY Wood Edition PC Cooling Fan 3-Pack, 120 mm, Black
- Thermaltake CT140 EX INFINITY ARGB Sync 140 mm Fans, 3-Pack, Snow White
- Thermaltake CT140 EX INFINITY ARGB Sync 140mm PC Case Fan 3-Pack
- Darkflash Gauss G24 Computer Fan 120 mm ARGB PWM, Black
