Quick view HP 647293-001 Z420 Memory Module Fan Description: HP Z420 Memory Module Fan HP PN: 647293-001 The 647293-001 is a fully tested HP Z420 Memory Module Fan. The 647293-001 has been fully refurbished by Serverworlds.com. The 647293-001 will be... MSRP: $555.00 Was: Now: $85.00 Add to Cart