Casing Fan price in Bangladesh 2026

Silent Casing Fan Price in Bangladesh for Cooler Airflow and RGB Style

Is your PC running hot even with a good cooler? Do fans sound like a jet engine during games? Better case fans can fix both problems. Here at SpeedTech, we list the latest Casing Fan Price in Bangladesh for every build. We help you pick fans that keep your PC cool, quiet and good-looking.

Why Good Casing Fans Matter

Your CPU and graphics card make a lot of heat. That heat must leave the case. Casing fans move cool air in and push hot air out.

Without good airflow, heat builds up inside. Parts get hot and slow down. This is called thermal throttling. Your FPS drops and fans get louder.

The right case fans give you:

• Lower CPU and GPU temperatures.
• Steady performance during long gaming sessions.
• Quieter operation at lower fan speeds.
• Longer life for every part inside.

Many cases ship with just one basic fan, or none at all. We see builders add two or three good fans and drop temps by 5 to 10°C. It's one of the cheapest upgrades you can make.

Planning a full build? Explore our PC components for custom gaming build in one place.

Casing Fan Price in Bangladesh by Size

Fan size matters a lot. Bigger fans move more air at lower speeds. That means better cooling with less noise.

Always check which sizes your case supports. We list every size with the latest price and live stock.

120mm Case Fans (Most Popular)

The 120mm fan is the standard size. Almost every case supports it. It fits the front, top and rear mounts in most builds.

Many buyers check the 120mm casing fan price in BD first. It gives the widest choice of brands, colors and RGB styles.

• Fits most ATX and mATX cases.
• Works on 240mm and 360mm AIO radiators.
• Huge range of RGB and non-RGB models.

For most gaming builds, three 120mm fans in front and one at the rear work great.

140mm Case Fans (Quiet Power)

Want strong airflow with less noise? A 140mm fan moves more air at lower RPM. That makes it quieter than a 120mm fan at the same airflow.

The 140mm case fan price is slightly higher. But it's worth it for silent builds and large airflow cases.

Check your case first. Many mid-tower cases support two 140mm fans in front. They also fit 280mm AIO radiators.

Need a case with room for bigger fans? Browse our high airflow mesh PC casing range.

80mm, 92mm and 200mm Fans

Some builds need special sizes.

80mm and 92mm: Used in small cases, older PCs, servers and some CPU coolers. They spin faster and can be louder.

200mm: Big fans for large cases with special front mounts. They move huge air very quietly. Few cases support them, so check first.

Slim 15mm fans also exist. They help in tight spaces, like small form factor builds or thick radiators.

Airflow vs Static Pressure Fans

Not all fans are made for the same job. There are two main types. Picking the right one improves cooling a lot.

Airflow fans: Move lots of air in open spaces. Best for the rear exhaust and open front panels. A high airflow fan keeps air moving freely through the case.

Static pressure fans: Push air through tight spaces. Best for radiators, dense dust filters and closed front panels. They keep air moving even against resistance.

Here's a quick guide:

• Mesh front panel: Airflow fans.
• Closed or glass front panel: Static pressure fans.
• AIO radiator: Static pressure fans.
• Rear exhaust: Airflow fans.

Many modern fans are "hybrid" designs. They balance both airflow and pressure. These are a great all-round choice for most builds.

Airflow is measured in CFM. Static pressure is measured in mmH2O. Higher numbers mean better performance for each job.

Planning a radiator setup? Check our 240mm and 360mm liquid CPU cooler range to pair with pressure fans.

RGB and ARGB Casing Fans

Fans don't just cool your PC. They can also make it look amazing. Lighting is one of the most popular upgrades for gaming builds.

There are two main lighting types:

RGB fans (4-pin 12V): The whole fan shows one color at a time. You can change the color, but every LED matches.

ARGB fans (3-pin 5V): Each LED can show a different color. This creates rainbow waves, patterns and smooth effects. ARGB is also called addressable RGB.

The RGB casing fan price in Bangladesh is only a little higher than plain fans. The ARGB fan price gives the most lighting control for creative builds.

Many buyers choose a 3 pack RGB fan with controller. It includes three fans, a hub and sometimes a remote. It's the easiest way to add lighting to a new build.

Important safety tip: never plug a 5V ARGB fan into a 12V RGB header. It can burn out the LEDs. Always match the connector to your motherboard header.

Most ARGB fans sync with motherboard software. This includes ASUS Aura Sync, MSI Mystic Light, Gigabyte RGB Fusion and ASRock Polychrome.

Want full lighting control from one app? Choose a motherboard with ARGB and fan headers for easy sync.

PWM vs DC Fans and Connectors Explained

Fans connect to your motherboard or a fan hub. The connector type decides how well you can control the speed.

3-pin DC fans: Speed is controlled by changing voltage. It works, but control is less precise. These fans are often cheaper.

4-pin PWM fans: Speed is controlled by a special signal. Control is smooth and precise. A PWM case fan can spin very slowly when your PC is idle, then speed up under load.

PWM fans give you:

• Quieter operation at low loads.
• Custom fan curves in the BIOS.
• Better balance of cooling and noise.

Many modern fans also support daisy-chaining. You connect fans to each other in a line. Only one cable goes to the motherboard. It makes cable management much cleaner.

Some brands, like Lian Li UNI FAN, use snap-together designs. The fans link up with no messy cables at all.

Top Casing Fan Brands We Stock

The brand affects airflow, noise, lighting quality and life span. We only stock official fans from trusted makers.

Lian Li: Famous for UNI FAN series with snap-together design and clean cables. The Lian Li UNI FAN price in BD attracts builders who want a clean, premium look.

Deepcool: Offers great value with strong airflow and bright ARGB. The Deepcool fan price fits almost every budget.

Corsair: Known for iCUE RGB fans with rich lighting control. Many gamers check the Corsair RGB fan price in BD for premium builds.

Arctic: The P12 and P14 series are loved for quiet, high-performance cooling. The Arctic P12 price makes it a top budget choice for silent builds.

Cooler Master: Offers SickleFlow and MasterFan lines with solid airflow and ARGB. The Cooler Master fan price covers budget to mid-range builds.

We also carry Noctua, Thermalright, Thermaltake, NZXT, be quiet!, Montech, Antec and Gamdias. Every fan is official and authentic, with brand warranty.

Intake, Exhaust and Airflow Setup

Buying good fans is step one. Placing them right is step two. The wrong setup can trap heat inside.

Here's the simple rule: cool air in at the front and bottom, and hot air out at the top and rear.

A typical setup looks like this:

• Front: 2 or 3 intake fans.
• Rear: 1 exhaust fan.
• Top: 1 or 2 exhaust fans, or an AIO radiator.
• Bottom: Optional intake fans for the GPU.

Hot air rises, so top exhaust fans work well. Rear exhaust pulls heat from the CPU area.

High-end GPUs dump a lot of heat inside the case. Match strong airflow with the right RTX graphics card for gaming PC builds.

Positive pressure: More intake than exhaust. Air leaks out through gaps. This keeps dust out, since air enters only through filtered fans.

Negative pressure: More exhaust than intake. It can cool well but pulls dust in through gaps.

We suggest slight positive pressure for most builds. It balances cooling with less dust. That matters a lot in dusty cities like Dhaka.

Noise, Bearings and Silent Cooling

Nobody likes a loud PC. Fan noise depends on size, speed, blade design and bearing type.

Noise is measured in dBA. Under 25 dBA is very quiet. Over 35 dBA becomes noticeable.

The bearing type decides noise and life span:

• Sleeve bearing: Cheapest. Quieter at first but wears out faster.
• Rifle bearing: Better life than sleeve, with low noise.
• Hydraulic/FDB bearing: Quiet and long-lasting. Great value.
• Magnetic levitation and dual ball: Premium options with long life.

A silent case fan usually uses a fluid dynamic bearing and a larger size. Rubber anti-vibration pads also help cut humming noise.

Set a custom fan curve in your BIOS. Fans stay slow when the PC is idle, then speed up only when needed.

Dust, Heat and Bangladesh's Climate

Our weather is tough on PCs. Summers are hot and humid. Room temperatures often cross 32°C. Dust builds up fast, especially in Dhaka and other busy cities.

Hot room air means hotter parts inside the case. Your fans must work harder to keep temps low. Dust makes things worse by blocking airflow.

Here's how we suggest handling local conditions:

• Use dust filters: Place filters on all intake fans.
• Keep positive pressure: More intake than exhaust keeps dust out of gaps.
• Clean monthly: Wipe filters and blow dust off fan blades.
• Leave space around the case: Keep it 10 to 15cm away from walls.

Dust on fan blades lowers airflow and adds noise. A quick clean can drop temps by several degrees.

Humidity can affect cheap fans over time. Quality fans with good bearings last much longer in our climate. That's why we always suggest trusted brands.

Hot-running chips need extra airflow in summer. Compare our Intel and AMD processor for gaming PC with full power specs.

Installation and Fan Hub Tips

Installing case fans is easy. Most take just a few minutes each. Here's how to do it right.

Check airflow direction: Look at the side of the fan. Small arrows show airflow and blade spin direction. The open side usually pulls air in, and the frame side pushes it out.

Mount the fan: Use the screws that came with the fan or case. Tighten them evenly to avoid vibration.

Connect the power:

• Plug into the motherboard's SYS_FAN or CHA_FAN headers.
• Connect ARGB cables to the 3-pin 5V header.
• Use a fan hub if you run out of headers.

Fan hubs and controllers: Many motherboards have only 3 or 4 fan headers. A fan hub lets you run many fans from one header. Some hubs also control ARGB lighting.

Hubs often need SATA power from the PSU. Make sure your power supply has a free SATA cable.

After installing, open your BIOS. Set a fan curve so fans stay quiet at idle. Test temps with a game or stress test.

Best Case Fan for Gaming PC Builds

Gamers need strong airflow and good looks. The best case fan for gaming PC setups usually has:

• 120mm or 140mm size.
• PWM speed control.
• ARGB lighting that syncs with your motherboard.
• Fluid dynamic or hydraulic bearings.

A great gaming setup uses three ARGB fans in front, one at the rear and two at the top. This keeps both CPU and GPU cool during long sessions.

Want matching lighting inside? Add RGB desktop RAM for gaming PC that syncs with your fans.

Budget builders can start with a triple pack plus a rear exhaust. It gives big cooling gains for little money.

Complete your setup with a 144Hz gaming monitor in Bangladesh for smooth gameplay.

Warranty and Authentic Products

Cheap copy fans flood the market. They look similar but use weak motors and poor bearings. Many get loud or stop working within months.

Every casing fan we sell is official and brand-new. It comes with valid brand warranty, often 1 to 6 years depending on the model.

What you get from us:

• Genuine fans in sealed packaging.
• Correct RPM, airflow and connector specs.
• Brand warranty with claim support.

If a fan fails, we help with the claim. You don't have to handle it alone.

How to Get Casing Fan at the Best Price in BD?

At SpeedTech, we make buying case fans simple. You get the latest price, live in-stock status and honest advice in one place.

Why PC builders across Bangladesh trust us:

• 100 percent official and authentic fans.
• Brand warranty with claim support.
• Fast delivery across Dhaka and all of Bangladesh.
• Free advice on fan size, setup and compatibility.

Browse our full casing fan range above. Compare size, lighting, noise and brand. Need help? Our team is one message away.

Frequently Asked Questions

What is the casing fan price in Bangladesh?

The casing fan price in Bangladesh depends on size, lighting and brand. Basic 120mm fans cost the least. Premium ARGB triple packs cost more. Check our page for the latest price.

Where can I buy a casing fan in Bangladesh?

You can buy a casing fan from SpeedTech. We sell official Lian Li, Deepcool, Corsair and Arctic fans with warranty and deliver across Bangladesh.

What makes ARGB casing fans ideal for gamers?

ARGB fans offer strong cooling with custom lighting effects. They keep gaming PCs cool during long sessions and sync with motherboard RGB software.

How many case fans do I need?

Most builds need 3 to 5 fans. Two or three front intake fans and one or two exhaust fans work well for gaming PCs.

120mm vs 140mm fan, which is better?

A 140mm fan moves more air at lower noise. A 120mm fan fits more cases and radiators. Choose based on your case support.

What is the difference between RGB and ARGB fans?

RGB fans show one color at a time and use 4-pin 12V. ARGB fans control each LED separately and use 3-pin 5V.

Should front fans be intake or exhaust?

Front fans should be intake. They pull cool air in. Rear and top fans should be exhaust to push hot air out.

Are PWM fans better than DC fans?

Yes, PWM fans give smoother, more precise speed control. They stay quieter at idle and speed up only when needed.

Do case fans really lower temperatures?

Yes, good case fans can lower CPU and GPU temps by 5 to 10°C. Proper intake and exhaust setup makes the biggest difference.

Can I connect ARGB fans without an ARGB header?

Yes, use an ARGB fan hub with its own controller. Many triple packs include one. It powers lighting from SATA without a motherboard header.