MSI MEG Z790 ACE - Block Diagram; Motherboard Component Interconnections

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Block Diagram
MEG Z790 ACE
PCIe 5.0x16 PCI_E1
PCIe 5.0x8 PCI_E2
DDR5
DIMM A1/A2
DIMM B1/B2
GEN4 x4 M.2_1
(PCIe Only)
GEN4 x4 M.2_2
(PCIe Only)
USB3.2 Gen2x2 20Gbps
(Front Type-C)
USB3.2 Gen2 10Gbps
(Type-A)
Intel 2.5Gbps
SATA_5_6_8
SATA_A1_A2
ASM1061
WiFi 6E/ BT 5.3
PCH
HD Audio
ALC4082
ESS9280AQ
CPU
DMI 4.0
PCIe 5.0 X8
PCIe 5.0 X8
GEN5 x4 M.2_4
(PCIe Only)
PCIe 5.0 X8
PCIe 5.0 X8
MUX
GEN4 x4 M.2_3
(PCIe + SATA)
GEN4 x4 M.2_5
(PCIe + SATA)
GL3523
USB3.2 Gen1 5Gbps
(Front Type-A)
GL3590
USB3.2 Gen2 10Gbps
(Type-A)
Data Transfer+ Display
USB3.2 Gen2 10Gbps(Type-C)
+DP 1.4 (4K@60Hz)
Thunderbolt 4
GL850
USB2.0
(Front Type-A)
SPI SPI
SATA7 will be unavailable when installing
M.2 SATA SSD in the M2_5 slot.
*M2_4 slot will be unavailable when
installing in the PCI_E2 slot.
SATA_7
MUX
RTS5450