Following up, with the Icydock bays. Do keep tabs, on your 2.5in drive thickness, as it’ll effect usability to certain Icydock builds.
Define 7 has a single 5.25 bay, whereas the XL variant host a 2x5.25 bay
Enthoo Pro II doesn’t have any 5.25 bays, but do recall the Org. Enthoo Pro does [something like 3x5.25]