HP A5191-04002 - Tubeaxial fan assembly - Includes the fan and metal enclosure with finger guards - Used as a Hot-Swap chassis fan Retail
HP 3160-0315 - Tubeaxial fan - 105mm (4.126in) mounting hole spacing, 38.1mm (1.5in) thick, 100-125VAC, 50-60Hz, 105CFM - Mounts on front fan panel (Four used) Retail