The Lenovo ThinkServer RD230 Screw Down Heatsink Assembly 46U3452 is a server component designed for cooling systems in enterprise networking setups. Made by Lenovo in China, this unit is specifically compatible with Lenovo servers and is part of the ThinkServer product line. The screw-down design ensures secure and efficient heat dissipation, making it an essential component for maintaining server performance and preventing overheating. Ideal for businesses needing reliable and high-quality server cooling solutions. Mt RD230 motherboard got corroded while in storage. Everything else is good.