Quick view Sun 541-0266 SunFire X4100 Fan Module Specs: Sun SunFire X4100 Fan Module PN: 541-0266 The 541-0266 is a fully tested Sun SunFire X4100 Fan Module. The 541-0266 has been fully refurbished by Serverworlds.com. The 541-0266 will be professionally packed and... MSRP: $65.00 Was: Now: $45.00 Add to Cart