Yeah, it looks like you have somewhat niche requirements and would need to build your own hardware and software.
To run 10+ sata drives you'll either need to take a lot of care they're not spinning up at the same time, or getting used in parallel, or you'll need to dimension your power supply to cope. A beefy power supply will have a higher idle draw making the focus on getting the whole system idle down to 5w pretty hard
Yeah, it looks like you have somewhat niche requirements and would need to build your own hardware and software.
To run 10+ sata drives you'll either need to take a lot of care they're not spinning up at the same time, or getting used in parallel, or you'll need to dimension your power supply to cope. A beefy power supply will have a higher idle draw making the focus on getting the whole system idle down to 5w pretty hard