Failure to recognize a drive (all cables, SATA ports work)


New Member
Sep 15, 2023
I have 3 HGST 4K drives (6 TB each) and 1 HGST Advanced Format drive (10TB).

The 3 HGST 4K drives are recognized appropriately, can be passed through to a VM, etc.

I cannot for the life of me get this Advanced Format to be seen Proxmox. This drive worked inside a Synology NAS, also tested on a Windows machine, deleted all partitions and formated in exFAT. Another Advanced Format drive (2.5") will work on its SATA and power cables, so I know both of those work.

Any idea on how to get Proxmox to see this so that I can use it? I can't even tell if this is related to Advanced Format or not to be honest.

This is all running on a Topton N5105 board from Ali Express. BIOS only sees one drive with reduced capacity, but Proxmox is correctly seeing all three operational drives.
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