X570 Motherboard with Maximum M.2 Slots - Technoiser
MSI MEG X570 Godlike supports a total of five M.2 PCIE Gen4x4 slots which is higher than any X570 motherboard could offer.
Mainboard ASRock X570 Taichi - LDTech
On the X570 Taichi is three full-length PCIe 4.0 slots operating at x16, x8/x8, and x8/x8/x4, with two PCIe 4.0 x1 slots.
ASRock X570 Taichi Razer Edition Review - Board Layout | TechPowerUp
The new ASRock X570 Taichi Razer Edition combines the award-winning ASRock X570 Taichi with an industry-leading RGB LED implementation powered by Razer. Featuring support for Razer's Synapse software, 2.5 Gb/s LAN from Killer Networking, and Killer WiFi 6, let's see how this new Razer Edition stacks up to its 2019 counterpart!