The Delta 40mm x 28mm Fan is a super powerful 40mm fan that packs a punch with a huge air flow rating for it's size. This fan is great for server rack cooling, and other high flow necessary applications with limited space!
The Delta 90 x 25mm High-Speed PWM Fan is a high powered 92mm fan sporting a huge 102.59 CFM. Use it for your CPU cooler or any other 92mm fan application where large CFM is required. Equipped with the new standard 4-pin PWM connector your motherboard can auto adjust the speed via the boards PWM fan header.
The Delta 92 x 25mm High-Speed Fan is an impressive high performance fan that moves 90 cubic feet of air every minute. With a near 2:1 airflow to noise ratio, this fan is a great choice for overclocking or other extreme cooling needs.