The Node 804 actually supports 10 3.5" HDD, and 2 2.5" HDD/SSD.
That PSU is enough for 10 drives. You can get more SATA connections on the PSU by using power splitters. You can get more SATA ports by using a SATA expansion card or a SAS HBA.
Notes
I do not recommend Dell/HP/IBM/Intel/Fujitsu or other LSI OEM cards.
These “real” LSI models are readily available and are much easier to flash.
All models support SAS & SATA drives
Most SATA SSDs will not support TRIM on SAS HBA, use SATA3 instead.
All models are SAS2 6Gbps compatible
Type = Internal/External
Num. Drives = 4 drives per port, with no expander.
All low profile cards can be used with high profile bracket, allowing support for either.
Notes = Firmware options, 4Kn secto…
Overview
The Adaptec ASR series RAID/HBA cards listed in this thread are known to be compatible with Unraid, FreeNAS, Windows, Linux, and more .
Special thanks to @riggi for his knowledge and encouragement to give these HBAs a try.
Caution
You’ve probably seen people mod their LSI cards and strap a little fan to them. I don’t think it’s necessary to do it with LSI cards, as I’ve never had one throw an overheat alarm. However, it’s definitely necessary with these Adapte…