HP A1824-63005 - Fan assembly - 12cm (4.7in) tubeaxial fan with an attached 27.5cm (10.8in) long two wire power cable with a 3-pin (F) connector - In external I/O card cage Retail
HP 730792-001 - CPU Cooling Fan for HP Elitebook 740 745 755 840 850 ZBook 14 G1 G2 Sale $39.00 Retail $59.00