IBM 39M6803-RFB is a 60×60 hot-swap fan assembly for X36 systems. It is a replacement cooling component intended for a compatible system’s fan position, with a hot-swap design identified in the listing.
The listing describes this item as used and reconditioned. Its compact 60×60 format and hot-swap construction are the key confirmed details for identifying the part. The listing does not establish further compatibility or package contents.