On 06/10/2020 11:53, Roger Heflin wrote:

Outside of the enterprise type cards, I have yet found a stable PCIE card

I've also had numerous problems with Marvell SATA controllers.

I've generally found the ASMedia ASM1083 / ASM1085 AHCI controllers
stable and reliable.

ASMedia is part of Asus, and from Wikipedia:

"[ASMedia] produces designs for USB, PCI Express and SATA controllers.
Excluding the X570 chipset, all of the AM4 chipsets for AMD's Zen
micro-architecture were designed by ASMedia"

The ASM108x are only PCIe 2.0 x1 <-> 2 SATA port cards, however there
are designs (e.g. "SA3008" - around $45 online) which incorporate
multiple ASM108x behind an ASMedia PCIe 2.0 bridge if number of
available PCIe slots are an issue.

Tim.