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ATX motherboard in black with silver heatsinks and steel-reinforced PCIe slots

MSI

MSI Z390-A PRO Intel motherboard LGA 1151

SKU CH-S0E9-3VBS9

LGA 1151 Intel Z390 ATX board with four DDR4 slots up to 128GB, dual PCIe 3.0 x16, six SATA 6Gb/s ports, one M.2 slot and Realtek ALC892 7.1 audio

  • CPU Socket TypeLGA 1151 (300 Series)
  • CPU TypeCore i7 / i5 / i3 (8th Gen, LGA1151)
  • ChipsetIntel Z390
  • Onboard Video ChipsetSupported only by CPU with integrated graphic:1 x VGA port,
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 4400(OC)/ 4300(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(
  • Supports 8th Gen Intel Core i7, i5 and i3 processors on LGA 1151 socket
  • DDR4 memory up to 4400 MHz overclocked across four slots for 128 GB capacity
  • Dual PCIe 3.0 x16 slots with Steel Armor for multi-GPU AMD Crossfire setups
  • M.2 slot delivers up to 32 Gb/s via PCIe 3.0 x4 for fast storage
  • Realtek ALC892 codec provides 7.1 channel audio for studio-grade sound quality

Socket LGA 1151 Z390 ATX board

The MSI Z390-A PRO is an ATX motherboard built on the Intel Z390 chipset for 8th generation Core i7, i5 and i3 processors in the LGA 1151 socket. It provides four 288-pin DDR4 slots supporting dual-channel memory up to 128 GB. Two PCI Express 3.0 x16 slots and four PCIe 3.0 x1 slots handle expansion cards.

Extended heatsink and Steel Armour slots

A larger PWM heatsink improves thermal headroom for sustained processor boost clocks. Steel Armour reinforcement on the primary PCI Express x16 slots protects the board from heavy graphics cards. The rear I/O includes USB 3.1 Gen2 Type-A and Type-C ports driven by the Intel controller, plus USB 3.1 Gen1, USB 2.0, PS/2, DVI-D, VGA, DisplayPort and Intel LAN.

One M.2 slot with shared SATA lane

A single M.2 Key M slot accepts 2242, 2260, 2280 and 22110 devices running at PCIe 3.0 x4 or SATA 6Gb/s. Installing a SATA M.2 drive disables the second SATA 6Gb/s port. Six SATA 6Gb/s ports support RAID 0, 1, 5 and 10, and the board is Intel Optane ready after a BIOS update.

Highlights

  • Supports 8th Gen Intel Core i7, i5 and i3 processors on LGA 1151 socket
  • DDR4 memory up to 4400 MHz overclocked across four slots for 128 GB capacity
  • Dual PCIe 3.0 x16 slots with Steel Armor for multi-GPU AMD Crossfire setups
  • M.2 slot delivers up to 32 Gb/s via PCIe 3.0 x4 for fast storage
  • Realtek ALC892 codec provides 7.1 channel audio for studio-grade sound quality

Specifications

BrandMSI
SeriesRipjaws X Series
ModelZ390-A PRO
CPU Socket TypeLGA 1151 (300 Series)
CPU TypeCore i7 / i5 / i3 (8th Gen, LGA1151)
ChipsetIntel Z390
Onboard Video ChipsetSupported only by CPU with integrated graphic:1 x VGA port, supports a maximum resolution of 2048x1536@50Hz, 2048x1280@60Hz, 1920x1200@60Hz1 x DVI-D port, supports a maximum resolution of 1920x1200@60Hz1 x DisplayPort, supports a maximum resolution of 4096x2304@60Hz* No Display support when using the Processor model with suffix "F"
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 4400(OC)/ 4300(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(OC)/ 3000(OC)/ 2800(OC)/ 2666/ 2400/ 2133
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 3.0 x162 x PCI Express 3.0 x16
PCI Express x14 x PCIe 3.0 x1 slots
Other Slots1 x M.2 slot with E key for Integrated Intel Wireless-AC (CNVi) module only
Serial ATA (SATA)6 x SATA 6Gb/s ports** The SATA2 will be unavailable when installing M.2 SATA device into M.2 slot.
M.21 x M.2 slot (Key M)*Supports up to PCIe 3.0 x4 and SATA 6Gb/s, 2242/2260/2280/22110 storage devices* The SATA2 will be unavailable when installing M.2 SATA device into M.2 slot.
Intel Optane ReadyYes* Before using Intel Optane memory modules, please ensure that you have updated the drivers and BIOS to the latest version from MSI website.
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC892
Audio Channels7.1 Channels
LAN ChipsetIntel I219-V
Max LAN Speed1Gbps
Onboard USB2 x USB 3.1 Gen1 connectors (supports additional 4 USB 3.1 Gen1 ports)2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors1 x 4-pin CPU fan connector1 x 4-pin Water Pump connector5 x 4-pin system fan connectors1 x Front panel audio connector2 x System panel connectors1 x Chassis Intrusion connector1 x 4-pin RGB LED connector1 x Serial Port connector1 x Clear CMOS jumper1 x Parallel port connector1 x TPM module connector1 x thunderbolt Add-on card connector1 x Front OC button connector
Windows 11Supported
Form FactorATX
LED LightingRGB
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x 6-pin ATX 12V power connector
FeaturesDIY Friendly:Keep Out ZoneXL PCI-E ClipEZ Debug LEDPump FanEnhance Performance:Extended Heatsink Design8-Pin Power ConnectorsTurbo M.2Intel Turbo USB 3.1 Gen2Core BoostDDR4 BoostMulti GPU-2-Way AMD CrossFire TechnologyOC GENIE 4*BIOSClick BIOS5XMPHardware Moniter*SoftwareDragon CenterIn-Game Advantages:*AudioAudio Boost*LANIntel LANIntel CNVi ReadyVR ReadyExhilarating and Inspiring:Mystic Light Extension (RGB)Mystic Light SyncLoyal Comrade:PCI-E Steel ArmorPCI-E Steel Slot7000+ Quality Test

Questions about this item

Will the VRM heatsink need attention after long-term use?

The extended PWM heatsink is a passive part with no moving components; it does not require routine maintenance or replacement.

What limits the M.2 slot bandwidth under heavy sustained loads?

The single M.2 Key M slot runs at PCIe 3.0 x4, capping sequential throughput at 32 Gb/s.

How loud or hot does the board get when running all day?

With no onboard fans the board is silent; heat is handled by the extended heatsink and larger surface area.

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