Cooling Fans for Computer Components

30mm Fan

• 1 3/16 inches

40mm Fan

The tiny fan on most high performance video cards sits on the VGA graphics chip and is 40mm in size. Use this for most video card graphics chip coolers.

• Video Cards
• Hard Drive Enclosures
• 1 1/2+ inch

50mm Fan

This 5cm fan is commonly used on those rack mount cases. Some VGA graphics cards also use this fan, however, it would be rather large for most VGA cards.

• 1 7/8 inch
• 5cm
• 1U Rackmount Case Fan
• Special high performance Video Cards

Examples:

Delta 5cm Replacement Cooling Fan

This fan typically sells for under $1.00 each.

Thermaltake A1178 Crystal ORB Cooler

This copper base fan is higher quality than the fan normally placed on your vga board and will cool better and last longer. Look for this fan to cost around $8.00 each.