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Black extended ATX motherboard with silver heatsinks and rear I/O shield

MSI

MSI MEG Z790 ACE MAX Intel Motherboard A

SKU CH-TC9N-CSB35

Extended ATX Z790 board for 13th Gen Intel CPUs on LGA 1700 with DDR5 up to 256 GB, PCIe 5.0 x16 and five M.2 slots

  • CPU Socket TypeLGA 1700
  • CPU TypeIntel Core 13th Gen (LGA 1700)
  • ChipsetZ790
  • Memory StandardDDR5
  • Maximum Memory Supported256GB
  • PCI Express 5.0 x161 x PCI Express 5.0 x16
  • Supports Intel Core 13th Gen processors via LGA 1700 socket
  • Z790 chipset enables high-speed DDR5 memory up to 256GB
  • PCI Express 5.0 x16 slot delivers maximum graphics bandwidth
  • Five M.2 slots provide extensive high-speed storage expansion
  • Extended ATX form factor offers maximum connectivity and expansion space

Platform foundation

This extended ATX motherboard uses the Intel Z790 chipset and LGA 1700 socket to support 13th Gen Intel Core processors. It is built for enthusiasts who need five M.2 slots and a single PCI Express 5.0 x16 slot for high-bandwidth graphics or compute cards.

Thermal and power behaviour

The board draws power through standard ATX and EPS connectors to feed the CPU and up to 256GB of DDR5 memory. Under typical desktop loads the voltage regulators run warm but within design limits, and the included I/O shield helps direct airflow across the rear I/O area.

Deciding specification

Five M.2 slots provide dense storage expansion for users who need multiple high-speed drives. Builders who require more than one full-length PCIe 5.0 x16 slot or who prefer a smaller form factor should look elsewhere.

Highlights

  • Supports Intel Core 13th Gen processors via LGA 1700 socket
  • Z790 chipset enables high-speed DDR5 memory up to 256GB
  • PCI Express 5.0 x16 slot delivers maximum graphics bandwidth
  • Five M.2 slots provide extensive high-speed storage expansion
  • Extended ATX form factor offers maximum connectivity and expansion space

Specifications

BrandMSI
ModelMEG Z790 ACE MAX
CPU Socket TypeLGA 1700
CPU TypeIntel Core 13th Gen (LGA 1700)
ChipsetZ790
Memory StandardDDR5
Maximum Memory Supported256GB
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express x161
PCI Slots1 x PCI Slot
M.25 x M.2
RJ451 x RJ45
USB 3.11 x USB 3.1
Form FactorExtended ATX

Questions about this item

How do I install the MEG Z790 ACE MAX into an Extended ATX case, and what step do builders often miss?

Align the board with the standoffs for the Extended ATX form factor, secure it with screws, then attach the supplied I/O shield before mounting — skipping the shield is the common oversight.

What maintenance or replacement will the MEG Z790 ACE MAX need later?

The board uses a socketed CMOS battery that will eventually need swapping, and the five M.2 standoffs and screws should be kept safe for any future drive changes.

What limit appears first on the MEG Z790 ACE MAX under sustained heavy loads?

The single PCI Express 5.0 x16 slot and the five M.2 slots share the chipset's finite PCIe lanes, so bandwidth per device drops when multiple drives and a graphics card run simultaneously.

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