The Lenovo ThinkCentre M90Z All-In-One CPU Heatsink/Hood is a black computer heatsink designed for the M90z CPU. Made of aluminum, plastic, and copper, this unit features a 4-pin power connection and a maximum fan speed of 1500 RPM. With a LGA 1156/Socket H socket compatibility, this Lenovo-branded heatsink is a reliable and efficient cooling solution for your computer system.