3-speed switch lets you balance quiet performance with maximum cooling 3-pin and 4-pin power connectors provide convenient connections to your motherboard or power supply Fan-speed monitoring capability included (requires compatible motherboard) Availability: Usually ships the same business day. ANTTC80B$8.50 Please e-mail or call for a price on any item not listed here. Most items that are not in stock are normally available for pickup/shipping within one business day.