Don’t you have more HDD than ports available on the hba? Or are you using the data ports in the motherboard as well? Make sure the PSU has enough power plugs available for all of that stuff or buy high quality, not molded splitters!
Data Hoarder
We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
I'm using both on board and HBA. The psu I have listed has 14 sata connectors for power, and on corsair site you can get sata sleeves to plug in additional drives.
I emailed Corsair and asked if you can get them from their website for about 16$ each.
I'm not doing those cheap molex to sata adapters either.
I still have yet to purchase the PSU or graphics card, i'm hoping I can find something cheaper. I did forget to mention that.
Planning on building my a new NAS after 2 decades and orientating a bit on parts. The SDD is for the OS, why the 2*3TB? Wouldn't it be more practical use a single 4-8TB m.2?