motherboard with 2 pci slots
What is the most amount of NVMe SSDs that one motherboard can support? - Quora
Answer (1 of 2): On just the motherboard? Well, there is a $1,000 motherboard for AMD Threadripper with 5 M.2 slots. The ASUS ROG Zenith II Extreme Alpha. It's got 4 PCIe slots, and I think you could use an NVMe in three of those, with one for a GPU. So I think eight woukd be about the max. May...
ASRock Z790 Nova WiFi Has Six M.2 NVMe Slots, Reinforced GPU Support | Tom's Hardware
The new ASRock motherboard future readies itself with plenty of secondary storage slots for your M.2 NVMe drives and a plethora of other features.
MSI B550-A PRO
The MSI B550-A Pro motherboard supports 3rd gen AMD AM4 processors, features up to 4 x DDR4 memory slots, PCI-E 4.0, PCI-E 3.0, 2 x M.2 slots, 6 x SATA 6GB/s ...
All Series | Motherboard - GIGABYTE Global
ASUS mining motherboard features 19 PCI Express® (PCIe®) slots. With 18 PCIe x1 and one PCIe x16 slots on board, plus three zoned ATX12V power connectors, B250 ...