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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

  • ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
  • ChipsetIntel Z390
  • Form factorATX
  • CPU socketLGA 1151 (300 Series)
  • Onboard video chipSupported only by CPU with integrated graphic:1 x VGA port,
  • Memory slot count4 × 288pin (DDR4)
  • 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.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $72.99
Cheaper than about 67% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineRipjaws X Series
Model nameZ390-A PRO
Processor
ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
CPU socketLGA 1151 (300 Series)
ChipsetIntel Z390
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 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
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s ports** The SATA2 will be unavailable when installing M.2 SATA device into M.2 slot.
M.2 slots1 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.
Optane memory supportYes* Before using Intel Optane memory modules, please ensure that you have updated the drivers and BIOS to the latest version from MSI website.
SATA and RAID support0/1/5/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic:1 x VGA port, supports a maximum resolution of 2048 × 1536@50 Hz, 2048 × 1280@60 Hz, 1920 × 1200@60Hz1 x DVI-D port, supports a maximum resolution of 1920 × 1200@60Hz1 x DisplayPort, supports a maximum resolution of 4096 × 2304@60 Hz* No Display support when using the Processor model with suffix "F"
Audio & video
Audio chipRealtek ALC892
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel I219-V
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots2 x PCI Express 3.0 x16
PCIe x1 slots4 x PCIe 3.0 x1 slots
Additional slots1 x M.2 slot with E key for Integrated Intel Wireless-AC (CNVi) module only
Onboard USB headers2 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)
Power
Power connectors1 × 24-pin ATX main power connector1 × 8-pin ATX 12 V power connector1 × 6-pin ATX 12 V power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

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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