Asus ROG STRIX Z790-I GAMING WIFI Users Manual English - Page 22
M.2 slot
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Chapter 1 8. M.2 slot The M.2 slot allows you to install M.2 devices such as M.2 SSD modules. • Intel® 13th & 12th Gen Processors: - M .2_1 supports PCIe 5.0 x4 mode M Key design and type 2280 storage devices. - M.2_2 supports PCIE 4.0 x4 mode M Key design and type 2242 / 2260 / 2280 storage devices. • Intel® Z790 Chipset*: - M.2_1 supports PCIe 4.0 x4 mode M Key design and type 2280 storage devices. * M .2_1 comes from Intel® Z790 Chipset when PCIe Gen5 expansion slot is switched to x16 mode. This can be configured in the BIOS under the Advanced > Onboard Devices Configuration menu. • If M.2_1 is set to [Auto mode] in the BIOS, PCIEX16(G5) will run at full PCIe x16 mode when a device is inserted to the PCIEX16(G5) slot and M.2_1 is not in use. Otherwise it will run x8/x8 to support M.2_1 in PCIe 5.0 x4 mode with the signal coming from the CPU. • If M.2_1 is set to [X16 mode] in the BIOS, PCIEX16(G5) will run at full PCIe x16 mode and M.2_1 will be switched to PCIe 4.0 x4 mode with the signal coming from the PCH. The M.2 SSD module is purchased separately. 1-10 Chapter 1: Product Introduction
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