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MSI MEG Z790 ACE E-ATX motherboard black with silver heatsinks and gold accents

MSI

MSI MEG Z790 ACE Intel motherboard LGA 1700 DDR5 256GB

SKU CH-A2CH-0GXD8

An E-ATX Intel Z790 board for LGA 1700 CPUs with DDR5 up to 256GB and 7.1 audio

  • CPU Socket TypeLGA 1700
  • CPU TypeSupport Intel Core™ 14th/ 13th/ 12th Gen Processors, Intel P
  • ChipsetIntel Z790
  • Memory StandardSupport dual channel DDR5 7800 + (OC)/7600 (OC)/7400 (OC)/72
  • Maximum Memory Supported256GB
  • PCI Slots3X PCI-E x16 slots (quantity) PCI_E1 Gen PCIe 5.0 supports u
  • Supports Intel Core 12, 13, 14 Gen processors via LGA 1700 socket
  • Dual-channel DDR5 memory up to 7800 MHz overclocked and 256 GB capacity
  • Primary PCIe 5.0 x16 slot plus secondary x8 slot for high-bandwidth graphics and storage
  • Realtek ALC4082 with ESS ES9280AQ DAC delivers 7.1-channel audio up to 32-bit 384 kHz
  • Dual Intel 2.5 Gbps LAN and extensive USB including 20 Gbps Type-C ports

Platform foundation

The MSI MEG Z790 ACE is an Intel Z790 motherboard built for the LGA 1700 socket. It supports 12th, 13th and 14th generation Intel Core processors along with Pentium Gold and Celeron CPUs. The board uses an E-ATX form factor and provides four memory slots with a maximum capacity of 256GB.

Enthusiast fit

Builders who need extensive high-speed storage and rear I/O connectivity will benefit from the five M.2 interfaces, six SATA ports and seven USB 10Gbps Type-A ports on the back panel. Users requiring a smaller Micro-ATX board or legacy PCI slots should consider other models.

Memory ceiling

The four DDR5 slots accept dual-channel kits up to 256GB total, running at JEDEC speeds from 4800 to 5600 MHz and overclocked profiles up to 7800 MHz. Confirm your kit appears on the qualified vendor list before purchase.

Points forts

  • Supports Intel Core 12, 13, 14 Gen processors via LGA 1700 socket
  • Dual-channel DDR5 memory up to 7800 MHz overclocked and 256 GB capacity
  • Primary PCIe 5.0 x16 slot plus secondary x8 slot for high-bandwidth graphics and storage
  • Realtek ALC4082 with ESS ES9280AQ DAC delivers 7.1-channel audio up to 32-bit 384 kHz
  • Dual Intel 2.5 Gbps LAN and extensive USB including 20 Gbps Type-C ports

Caractéristiques

BrandMSI
SeriesMSI MEG Z790 ACE
ModelMSI MEG Z790 ACE
CPU Socket TypeLGA 1700
CPU TypeSupport Intel Core™ 14th/ 13th/ 12th Gen Processors, Intel Pentium Gold and Celeron Processors
LGA 1700
ChipsetIntel Z790
Memory StandardSupport dual channel DDR5 7800 + (OC)/7600 (OC)/7400 (OC)/7200 (OC)/7000 (OC)/6800 (OC)/6600 (OC)/6400 (OC)/6200 (OC)/6000 (OC)/5800 (OC)/5600 (JEDEC)/5400 (JEDEC)/5200 (JEDEC)/5000 (JEDEC)/4800 (JEDEC) MHz memory
Maximum Memory Supported256GB
PCI Slots3X PCI-E x16 slots (quantity)
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 5.0 supports up to x8 (From CPU)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
SATA RAID5XM.2 interface, 6xSATA III interface
Audio ChipsetRealtek ALC4082 Codec + ESS ES9280AQ Combo DAC/HPA
7.1-Channel USB High Performance Audio
Supports S/PDIF output
Supports up to 32-Bit/384 kHz playback on front panel
LAN Chipset2x Intel 2.5Gbps LAN
Onboard USB4X USB 2.0 (front)
4X USB 2.0 interface (front)
4x USB 5Gbps Type A (Front)
7x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Rear)
2x USB 20Gbps Type C (Front)

Questions sur cet article

How do I install the motherboard in an E-ATX case and which standoff alignment step is often missed?

Mount the board using all E-ATX standoff holes; the extra holes near the rear I/O are frequently skipped, leaving the PCB unsupported at the corners.

What maintenance or replacement will the onboard Realtek ALC4082 and ESS ES9280AQ audio solution need later?

The only serviceable part is the supplied CMOS battery; replace it when the system loses time or BIOS settings after power-off.

What limit appears first during sustained heavy loads on the 16+1+1 phase VRM?

VRM temperature rises first; the heatsink and fan assembly must move enough air to keep the power stages within their thermal envelope.

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