How do I know my PC case fan size?

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.

Are PC case fans Universal?

The mounting hole positions for 80mm, 92mm, and 120mm fans are standardized, so they’re mostly interchangeable (except for some Delta fans that are 38mm thick instead of 25mm, so they might not always fit in that dimension; also, they’re louder than most vacuum cleaners).

What are PC case fans for?

A computer case fan keeps your computer cool by circulating hot air out of the computer case and cooler air into it — just like any other fan.

Are all PC fans compatible?

Currently, a lot of CPU coolers are compatible with most of the popular socket types although there are some only support one socket type. Beside the socket type, the layout of the motherboard can also determine which cooler’s will or won’t fit.

How are fan sizes measured?

Measure the length of one blade from tip to base. Be sure to measure from just above the blade root, as shown, OR from where the blade meets the hub in an assembled fan. Multiply the blade length by two and add that measurement to the hub diameter from step 3 to determine your total fan diameter.

Are PC fans standard size?

Size. Most popular size is usually 120mm in modern PC cases, however, you will find other sizes such as 80mm, 92mm, 140mm, 200mm and various other configurations.

Why is my PC fans so loud?

Your computer fan gets loud because of high internal temps caused by 100% disk usage, high RAM usage, dust and dirt in the vents, or lack of airflow. It’s normal for your fan to get loud sometimes, but if it makes a loud rattle for a while, you should investigate.

What size are case fans?

What size case fans do I need?

Most popular size is usually 120mm in modern PC cases, however, you will find other sizes such as 80mm, 92mm, 140mm, 200mm and various other configurations.

Do I need CPU cooler?

Yes. You need a CPU cooler, whether it be stock or third-party, and regardless of whether you overclock or not. Or else your computer will perform a thermal shutdown as the CPU very quickly reaches dangerously high temperatures at even somewhat tasking operations – If it boots at all.