Quick view Lenovo 41R5579 ThinkStation S20 Heat Sink Description: Lenovo ThinkStation S20 Heat Sink Lenovo PN: 41R5579 The 41R5579 is a fully tested Lenovo ThinkStation S20 Heat Sink. The 41R5579 has been fully refurbished by Serverworlds.com... MSRP: Was: Now: $35.00 Add to Cart