| Method | Unit | Throughput |
|---|---|---|
| RAM | Channel | 200 kH/s .. 400 kH/s |
| NVMe PCI-E | Device | 50 kH/s .. 100 kH/s |
| Optane | Device | 40 kH/s |
| SATA SSD | Device | 30 kH/s |
| SATA HDD | Device | 0.3 kH/s |
A non-turbo low-power (35W or less) quadcore CPU like the Intel i3-8300T will do well. As RAM is very expensive, on the long term mining will mostly happen off NVMe SSDs, so grab a motherboard with two PCIe m.2 slots.
A low power NVMe miner can be powered off a picoPSU. The total system power draw will probably be around 50W.
Currently the sweet spot for low power NVMe drives seems to be 1TB drives, but check the NVMe page out for details.
You can boot the miner system off a USB drive you put onto the internal motherboard headers, so you can use the two NVMe drives dedicatedly for mining. RAID 1 is marginally quicker than RAID 0 as it has to do less bookkeeping of what is where, so if the field is small enough, use a mirror setup.
You can run such a system completely fanless with passive cooling and a passive PSU. That'll bring you 2kH/J mining costs in less than 1k USD initial investment. As you need an AC/DC PSU to drive the picoPSU anyway, and that can run multiples of these, this kind of a system can grow into a dense low power farm.
Last updated on 2022-03-31
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