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MSI MEG X870E ACE MAX

UK manufacturer catalogue configuration · MSI part 911-7E85-001

CPU socket
AM5
Chipset
AMD X870E
PCB form factor and dimensions
ATX 243.84mmx304.8mm

MSI MEG X870E ACE MAX in the manufacturer’s documented UK configuration. Its published technical specifications retain the source’s connection, mode and configuration conditions.

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THE ACTUAL PRODUCT
MSI MEG X870E ACE MAX official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with MSI B850 GAMING PLUS WIFI6E
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The useful part.

Key strengths

The manufacturer documents the exact product configuration and its main interfaces together in one specification table.

Manufacturer source
The checks that matter.

Before you buy

Published capabilities and maximum figures are manufacturer claims. They do not establish independently measured performance, stock or compatibility outside the stated conditions.

Manufacturer source
Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the MSI MEG X870E ACE MAX. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Every specification. With its source.

Full specifications

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Exact configuration: UK manufacturer catalogue configuration · 911-7E85-001

18 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
AM5Source
Chipset
AMD X870ESource
PCB form factor and dimensions
ATX 243.84mmx304.8mmSource

Memory

1 item
Memory generation, slots, capacity and conditions
4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support DDR5 9000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: • 1DPC 1R Max speed up to 8400+ MT/s • 1DPC 2R Max speed up to 6400+ MT/s • 2DPC 1R Max speed up to 6400+ MT/s • 2DPC 2R Max speed up to 6400+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPO™ Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only* * The DIMM slots on this motherboard only have single-sided latches. ** CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. *** Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/Source

Expansion slots

1 item
Expansion slots and CPU restrictions
2x PCI-E x16 slot (Qty) 1x PCI-E x4 slot 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 5.0 supports up to x4 (From CPU) PCI_E1 & PCI_E2 slots • Supports up to PCIe 5.0 x16/ x0 or x8/ x8 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 4.0 x8/ x0 (For Ryzen™ 8700/ 8600/ 8400 Series processors) • Supports up to PCIe 4.0 x4/ x0 (For Ryzen™ 8500/ 8300 Series processors) * PCI_E3 & M.2_1 share the bandwidth. M.2_1 will run at x2 speed when installing device in the PCI_E3 slot. You can switch PCI_E3 slot to x4 in the BIOS, but this will disable the M.2_1 slot. ** Please refer to the PCIe configuration table in the manual for more details.Source

Storage

4 items
Storage interfaces and lane-sharing conditions
5x M.2 (Qty) M.2_1 Source (From CPU) supports up to PCIe 5.0 x4, supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 5.0 x4, supports 2280/2260 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4, supports 22110/2280 devices M.2_4 Source (From Chipset) supports up to PCIe 4.0 x4, supports 2280/2260 devices M.2_5 Source (From Chipset) supports up to PCIe 4.0 x4, supports 2280 devices 4x SATA 6G (Qty) M.2_1: • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors) M.2_2: • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 4.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors) * The M2_2 slot will be unavailable when using Ryzen™ 8500/ 8300 Series processors. ** M.2_1 & PCI_E3 share the bandwidth. M.2_1 will run at x2 speed when installing device in the PCI_E3 slot. You can switch M.2_1 slot to x4 in the BIOS, but this will disable the PCI_E3 slot. *** USB 40Gbps Type-C ports & M2_2 share the bandwidth. USB 40Gbps Type-C ports will run at x2 speed when installing device in the M2_2 slot. You can switch M.2_2 to x4 in the BIOS, but this will disable the USB 40Gbps Type-C ports. **** Please refer to the manual for M.2 SSD heatsink restrictions.Source
SATA RAID modes and restrictions
Supports RAID 0, RAID 1 and Raid 10 for SATA storage devices

Full manufacturer RAID restrictions: Supports RAID 0, RAID 1 and Raid 10 for SATA storage devices Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices *RAID 5/ 10 configuration is only supported by Ryzen™ 9000/ 7000 series processors.. SATA and NVMe modes are not inferred from each other.

Source
M.2 NVMe RAID modes and restrictions
Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices

Full manufacturer RAID restrictions: Supports RAID 0, RAID 1 and Raid 10 for SATA storage devices Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices *RAID 5/ 10 configuration is only supported by Ryzen™ 9000/ 7000 series processors.. SATA and NVMe modes are not inferred from each other.

Source
Full manufacturer RAID specification
Supports RAID 0, RAID 1 and Raid 10 for SATA storage devices Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices *RAID 5/ 10 configuration is only supported by Ryzen™ 9000/ 7000 series processors.Source

USB & rear connections

3 items
USB ports and headers
4x USB 2.0 (Front) 4x USB 5Gbps Type A (Front) 9x USB 10Gbps Type A (Rear) 2x USB 10Gbps Type C (Rear) 1x USB 20Gbps Type C (Front) 2x USB 40Gbps Type C (Rear) * USB 40Gbps Type-C ports on the back panel only run PCIe 4.0 x2 when install Ryzen™ 8500/ 8300 Series processors. * USB 40Gbps Type-C ports & M2_2 share the bandwidth. USB 40Gbps Type-C ports will run at x2 speed when installing device in the M2_2 slot. You can switch M.2_2 to x4 in the BIOS, but this will disable the USB 40Gbps Type-C ports.Source
Rear-panel ports
USB 10Gbps (Type-A) Flash BIOS Button Clear CMOS Button Smart Button 10G LAN 5G LAN Wi-Fi / Bluetooth HD Audio Connectors HDMI™ 2.1 Port USB 40Gbps (Type-C) USB 10Gbps (Type-C) USB 10Gbps (Type-A) Optical S/PDIF-OutSource
Processor-dependent display outputs
1x HDMI™ Support HDMI™ 2.1 FRL, maximum resolution of 8K 60Hz* 2x Type-C DisplayPort USB4 ® port, supporting DisplayPort 1.4 with HBR3 over USB Type-C, maximum resolution of 4K@120Hz* * Available only on processors featuring integrated graphics. ** Graphics specifications may vary depending on the CPU installed.Source

Networking

1 item
Network interfaces and operating-system conditions
lan: 1x Marvell ® AQC113CS 10Gbps LAN 1x Realtek ® 8126 5Gbps LAN; wireless lan & bluetooth: Wi-Fi 7 Solution The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax/ be Supports Bluetooth ® 5.4**, MLO, 4KQAM * 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 SV3. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor's website for details. Bluetooth 5.4 support schedule depends on MSFT Windows 11 plan.Source

Audio

1 item
Onboard audio specification
Realtek ® ALC4082 Codec + ESS9219Q Combo DAC/HPA 7.1-Channel USB High-Performance Audio Supports S/PDIF output Supports up to 32-Bit/384 kHz playback on front panelSource

Power, cooling & lighting

1 item
Internal headers and connectors
1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x Front Type-C Quick Charge Connector(PD_PWR1) 1x CPU Fan 2x PUMP_SYS Fan 5x System Fan 1x ARGB+FAN+USB2.0 Header (JAF_2) 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Water Flow connector 1x Front Audio (JAUD) 2x Thermal Sensor connectors(T_SEN) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) V-check point 2x BCLK Frequency Jumpers(JBCLK) 4x USB 2.0 ports 4x USB 5Gbps Type A ports 1x USB 20Gbps Type C portsSource

BIOS, software & diagnostics

3 items
CPU and firmware support
Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5

Manufacturer-listed processor families; exact CPU support and necessary BIOS revision depend on the current MSI support list. A family statement is not a guarantee for every CPU.

Source
Supported operating systems
Support for Windows ® 11 64-bitSource
Diagnostic features
1x EZ Digi-Debug LED 4x EZ Debug LED 1x EZ Memory Detection LED 1x EZ LED Control switchSource
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