881507-001 Hewlett Packard Enterprise 2.4TB, 2.5", 12G SAS, 10K rpm, SFF, SC, DC 781518-B21 781578-001 Apollo 6500 Gen9/ProLiant DL385 Gen10/ProLiant DL580 Gen10 2.4TB, 2.5", 12G SAS, 10K rpm, SFF, SC, DCSubstitute Disk Qualification ProcedureWhen fulfilling a service spares order, customers may receive a hard disk drive that is different from their original. Substitute devices are necessary as older technology products reach end-of-life and are no longer available on the market. The HP disk Q process consists of sophisticated, vigorous testing to ensure that disk drive substitutions are compatible with customers’ systems. Customers enjoy peace of mind knowing that HP has developed and maintains one of the most disciplined and well-structured testing processes in the industry. With superior qualification and testing.The differences between the original and substituted product may be in spin speed, capacity, interface, or all of these. HP/HPE Servers ProLiant ML350 Gen10 Non Hot Plug LFF Configure-to-order Server, ProLiant ML350 Gen10 Hot Plug SFF with RPS Enablement Kit Configure-to-order Se, ProLiant ML350 Gen10 Hot Plug SFF Rack with RPS Enablement Kit Configure-to-ord, ProLiant ML350 Gen10 Hot Plug LFF Configure-to-order Server, ProLiant DL580 Gen10 TAA-compliant 8SFF Configure-to-order Server, ProLiant DL580 Gen10 8SFF Configure-to-order Server, ProLiant DL385 Gen10 8SFF TAA-compliant Configure-to-order Server, ProLiant DL385 Gen10 8SFF Configure-to-order Server, ProLiant DL385 Gen10 24SFF TAA-compliant Configure-to-order Server, ProLiant DL385 Gen10 24SFF Configure-to-order Server