Chrome Fan Guards & Screws 3-Pin to 4-Pin Adapter + Tach 3-Pin & 4-Pin Adapters 5 Volt & 7 Volt Adapters 4-Pin Male Connector Set 4-Pin Female Connector Set 3-Pin Female Connector Set 3-Pin Male Connector Set $2.50 $3.00 $2.00 $2.00 $0.80 $0.90 $1.00 $1.00