Z490 A Pro M2 Slots. MSI Z490A PRO DDR4 SATA3 M2 PCIe NVME HDMI DP PCIe 16X v3.0 1200p ATX Memory Support 4 DIMMs, Dual Channel DDR4-4800(OC) Expansion Slots 3x PCIe 3.0 x1 slots Storage 2x Turbo M.2 slots (Gen3 x4) 6x SATA 6Gb/s USB ports 2x USB 3.2 Gen 2 10Gbps (1 Type-A + 1 Type-C) 7x USB 3.2 Gen 1 5Gbps (6 Type-A + 1 Type-C) 6x USB 2.0 If you use an Nvme drive in the top M.2 slot, you don't lose any SATA ports
Corei910900KF + GIGABYTE Z490 AORUS PRO from documentation.grandstream.com
If you use an Nvme drive in the top M.2 slot, you don't lose any SATA ports The M2_1 slot of every MSI Z490 motherboard supports PCIe 4.0 with the 11th Gen Intel Core Processor installed
Corei910900KF + GIGABYTE Z490 AORUS PRO
The M2_1 slot of every MSI Z490 motherboard supports PCIe 4.0 with the 11th Gen Intel Core Processor installed When it comes to PCIe slots, for every MSI Z490 motherboard, the first PCIe x16 slot. Memory Support 4 DIMMs, Dual Channel DDR4-4800(OC) Expansion Slots 3x PCIe 3.0 x1 slots Storage 2x Turbo M.2 slots (Gen3 x4) 6x SATA 6Gb/s USB ports 2x USB 3.2 Gen 2 10Gbps (1 Type-A + 1 Type-C) 7x USB 3.2 Gen 1 5Gbps (6 Type-A + 1 Type-C) 6x USB 2.0
MSI MEG Z490 Unify The Intel Z490 Overview 44+ Motherboards Examined. Inspired from architectural design with the extended heatsink for having better thermal solution; high speed USB 3.2 Gen 2 solution, Core Boost, DDR4 Boost, 2.5Gbps LAN, Twin Turbo M.2 and M.2 Shield Frozr The motherboard manual will confirm what is disabled
MSI Z490A PRO ProSeries ATX Motherboard 10th Gen Intel Core, LGA 1200. View the MSI Z490-A PRO manual for free or ask your question to other MSI Z490-A PRO owners The manual of the MSI Z490 states: 6x SATA 6Gb/s ports 1; 2x M.2 slots (Key M) M2_1 supports up to PCIe 3.0 x4 and SATA 6Gb/s, 2242/ 2260/ 2280/ 22110 storage devices 1; M2_2 supports up to PCIe 3.0 x4 and SATA 6Gb/s, 2242/ 2260/ 2280 storage devices 2; Intel® Optane™ Memory Ready 3; Supports Intel® Smart Response Technology for Intel Core.