P53560-B21 - HPE 600GB SAS 12G MC 15K SFF BC MV HDD P64706-B21 You need very high throughput

You need very high throughput → ISR 4000/ASR Series

and 4× 10G SFP+—without paying for PoE you don’t need

aggregation

P40502-B21 is HPE’s 480GB SATA 6G Mixed Use SFF SSD on Basic Carrier:a hot-swap enterprise SATA SSD that balances capacity

Hot-plug simplicityCan be inserted or replaced while the server is running — ideal for 24×7 operations and maintenance flexibility

P53560-B21 - HPE 600GB SAS 12G MC 15K SFF BC MV HDD P64706-B21 You need very high throughputHPE P53560 B21 600 GB SAS 12G 15K SFF Basic Carrier Multi Vendor HDD What it is P53560 B21 is an HPE enterprise hard disk drive designed for HPE ProLiant servers and supported storage platforms. Its a 600 GB SAS 12 Gb s, 15,000 RPM, small form factor (2. 5 SFF) mechanical hard disk that ships on an HPE Basic Carrier (BC) for hot swap bays.Multi Vendor means HPE may supply approved equivalent HDD models over time while maintaining the same performance