Caddy (Tray) 3.5 "SFF for HP Proliant Gen10 (G10), Gen11 (G11) servers and Apollo Gen9 (G9) - 651314-001.
The product is delivered together with 4 screws for mounting the hard disk or SSD.
If you want to install SSDs or 2.5 hard drives in these caddies, we recommend the 3.5 "to 2.5" adapter. It can be ordered from the link HERE.

Compatible Systems:

HPE Proliant ML Series: ML110 Gen10 G10, ML350 Gen10 G10, ML30 Gen10 G10,
HPE Proliant DL Series: DL180 Gen10 G10, DL325 Gen10 G10, DL380 Gen10 G10 Plus
HPE Apollo Series: 4200 Gen9 G9, 4510 Gen9 G9, 4520 Gen9 G9, 4530 Gen9 G9

HPE ProLiant DL380 Gen11 G11