How do I know what size case fan I need?

The size of fan you need will generally be determined by the size of the fan fitting position in your PC case. The sizes of all the fans on our website are shown as measured along any one of the fan’s four sides, NOT the distance between the fan’s screw holes! Our most popular fan size is 120mm, followed by 80mm.

How big is a 120mm PC fan?

3. 120mm (4.7 Inches) The 120mm diameter is the standard case fan size.

How do I choose computer case fans?

Generally, you want the case fans in front of the case drawing in air while the fans at the rear blow air out. If your case has vents at the top, they should be placed as exhaust fans because hot air will rise. Side-mounted fans should be used for intake, though they often don’t have air filters.

How many CFM do I need for PC case?

Depends on the size of the fan; 80mm, 92mm, 120mm, 140mm, 200mm. If its a 120mm, I’d expect to see at least 60CFM or greater. its a 120MM fan, 1200rpm and specifies 28.34 CFM.. it was included in the case as an exhaust fan.

Are 120mm or 140mm fans better?

The 120mm fans are the standard fans in most PCs. They boast several impressive features, including noise levels many users would consider acceptable. However, the 140mm fans’ sleek performance makes it noteworthy. With better noise levels and airflow, the 140mm would be more superior.

What is a good cfm for a computer fan?

On high speed: Good CFM ranges from 4,000 to 5,000. Better ranges from 5,000 to 6,000. Best is over 6,000.

How many fans do you need in a PC?

It is always our recommendation that you buy cases with a minimum of 3 fans (or at least slots for adding them yourself) for gaming systems, not counting the power supply, CPU, and GPU fans.

Do you need case fans?

You will need a fan on your CPU cooler and videocard, but for your current setup a case fan won’t do much other than create extra noise. If the side covers are both on when using the computer, then yes a case fan would be required to prevent overheating.

Why are PC case fans so expensive?

It has to do with cost of goods manufactured and cost of raw materials. In this case the cost of materials needed for Corsair’s fans is high, so the price of the product is going to be high. If the cost of materials were lower, the price would be lower.

Is higher CFM better PC?

CFM Meaning (Cubic Feet per Minute) Generally, the higher the CFM rating, the better. However, when dealing with hardware obstructions, static pressure can be more efficient with less CFM. The ideal CFM for a PC can change on a case to case basis because there are a lot of factors that need to be considered.

How many fans should a PC have?

Is 3 120mm fans better than 2 140mm?

Generally speaking, with airflow equitable, the 140mm will be spinning slower and quieter. However, most 120mm will spin at max faster that a 140mm, so 3x 120mm can put out more cfm, if barely. Mostly it boils down to aesthetics.

What are the dimensions of a PC fan?

Basically, the PC case fan sizes have two dimensions, the first is diameter and 2nd is the width (thickness ). It is normal when we talk about cooling fan sizes, the given dimensions are 120 x 25 mm. This means that the fan is 120mm in diameter and 25mm thick. Conclusion: What Case Fan Size Do I Need?

What kind of fan is in a computer case?

Case fan. Alternatively referred to as a system fan, a case fan is located inside a computer, attached to the front or back of its case. Case Fans help bring cool air into and blow hot air out of the case. They are available in a wide variety of sizes, but 80mm, 92mm, and 120mm (12cm) with a width of 25mm are the most common.

How big of a fan do you need with a case?

The standard size with pre-drilled holes in any case I have ever worked on is 80 mm. The standard size with pre-drilled holes in any case I have ever worked on is 80 mm. In English terms, that is a 3-inch fan. You must log in or register to reply here. Question What are the functional reasons for using a case?

How do you measure a PC case fan?

How in Gods green earth do you measure a PC case fan. Iv heard diagonally, down the middle, screw hole to screw hole, edge to edge. I want a definitive answer.

What size computer case fan do I Need?

The most typical fan sizes used in PC cases are 80mm, 92mm, 120mm, 140mm, and 200mm, with 120mm and 140mm being the most common. You’ll want to be sure, if you’ll be adding fans, that the ones you buy match the size of the mount. The mount usually has screw holes predrilled in the chassis for the specific fan size,…

What are the dimensions of a PC case?

The dimensions of small form factors case are usually 9″ (height), 10″ (width) and 14″ (depth). Desktop/ HTPC cases are 6” x 17” x 16.5” (h x w x d). The best option is a full tower case. It provides you with more room for upgrading components.

How are case fans measured?

Computer case fans are measured as-they-are, from edge-to-edge. The airflow speed of a fan is measured in CFM (cubic feet per minute). Higher CFM equals more air moved. The noise level of a fan is measured in dBA, the higher the louder. How fast a fan spin is measured in RPM (rounds per minute). Computer fans are typically 12V or 5V.

What are CPU cooling fans?

A Central Processing Unit ( CPU) is the main microchip in a computer, while a CPU fan is the dedicated fan that helps keep the processor cool. Processors generate heat from internal electrical energy. The more demand placed on a CPU, the harder it works, and the warmer it gets.