ASRock B365M PRO4 Review & Specs

ASRock B365M PRO4 LGA1151 Intel B365 DDR4 Quad CrossFireX SATA3 USB3.1 M.2 A&GbE MicroATX

ASRock B365M PRO4 LGA1151 Intel B365 DDR4 Quad CrossFireX SATA3 USB3.1 M.2 A&GbE MicroATX

- ASRock

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  • CPU: LGA1151, Supports 9Th/ 8Th Generation Intel Core Processors, CPU Up To 95W
  • Chipset: Intel B365
  • Memory: 4X DDR4-2666/ 2400/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity Of 64GB
  • Slots: 2X PCI-Express 3.0 X16 Slots (Single At X16; Dual At X16/ X4), 1X PCI Express 3.0 X1 Slot (Flexible Pcie)
  • Multi-Graphics: Supports AMD Quad Crossfirex And Crossfirex Technology

Specifications Overview

  • B365M PRO4
  • 90-MXB9T0-A0UAYZ
Release Date February 2019

* First availability for purchase, it may not correspond to the actual market launch date.

Socket LGA1151
Form factor Micro ATX
Chipset Intel B365
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC892
Audio Channels 7.1 Channels
LAN Chipset Intel I219-V
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x PS/2 Mouse/Keyboard Port
  • 1 x D-Sub Port
  • 1 x DVI-D Port
  • 1 x HDMI Port
  • 2 x USB 2.0 Ports
  • 1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)
  • 4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
  • 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
  • HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 1
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 3
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2230 - E Key
RAM Slots 4
Maximum Supported RAM 64GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0

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