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ASRock B365M Phantom Gaming 4 LGA 1151 (300 Series) Intel B365 SATA 6Gb/s Micro ATX Intel Motherboard

  • Intel B365
  • Supports 9th and 8th Gen Intel Core Processors (Socket 1151)
  • DDR4 2666/ 2400/ 2133
B365 Main Motherboard Image
B365M Phantom Gaming 4

Born to Outperform

Experience a new level of performance and reliability with the ASRock B365M Phantom Gaming 4 motherboard. It works flawlessly with 9th and 8th Gen Intel Core processors and supports up to DDR4 2666 MHz memory. Oriented at DIY enthusiasts, this board comes with two PCIe 3.0 x16 slots, six SATA 3 slots, two Ultra M.2 slots (one supports PCIe Gen3 x4 & SATA 3 and one supports PCIe Gen3 x4)*and seven USB 3.1 Gen1 to meet diverse connectivity needs. It is ready for VR, and even supports AMD Quad CrossFireX and Intel Optane technology to power extreme demanding applications. You can create unrivalled visual thrills by syncing lighting effect across Polychrome SYNC compatible components. It's built with solid-quality components to ensure amazing quality and durability. Enjoy the convenience provided by intuitive Post Status Checker and ASRock Live Update & APP Shop.

  • Supports 9th and 8th Gen Intel® Core™ processors (Socket 1151)
  • Supports DDR4 2666MHz
  • 2x PCIe 3.0 x16, 1x PCIe 3.0 x1 and 1x M.2 Key E for WiFi
  • AMD Quad CrossFireX™
  • Graphics Output Options: HDMI and Display Port
  • 7.1CH HD Audio (Realtek ALC1200 Audio Codec), Supports DTS Connect
  • 6x SATA3, 1x Ultra M.2 (PCIe Gen3 x4) and 1x Ultra M.2 (PCIe Gen3 x4 & SATA3)
  • 7x USB 3.1 Gen1 (2 Front, 4 Rear, 1 Type-C)
  • Intel® Gigabit LAN
  • ASRock Polychrome RGB
Your PC Transformed

A more reliable design with style that delivers.

Armor Your VR Machine

Be well prepared to enjoy the impressive world of Virtual Reality. Before that, you have to make sure everything is qualified, including hardware, software and drivers. The PC's motherboard is the key to connect every critical component and ASRock's VR Ready motherboards are definitely the ones you're looking for. The premium quality is assured by rigorous testing during development while the integrated, sturdy components and rock-solid performance completely immerse you into VR scenarios. Users can be assured they'll be set to experience VR enjoyments without any compatibility problems.


Dual M.2 for SSD That Supports Type 22110 M.2
Ready for higher capacity and even faster Type 22110 M.2 NVMe SSDs to fulfill the need for best performance? Two Ultra M.2 sockets that support both SATA3 6Gbps and PCIe Gen3 x4 modes, pushing data transfer speeds up to 32Gbps and is compatible with ASRock's U.2 Kit for installing some of the world's fastest U.2 PCIe Gen3 x4 SSD.

M.2 Armor
Good M.2 SSD protection is important for longevity and stability. ASRock provides a complete M.2 armor solution on the B365 platform that makes SSDs run in certain low temperatures.


In addition to the built-in RGB illumination, it also features onboard RGB headers and an addressable RGB header that all allow the motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified line of accessories to create their own unique lighting effects.


The addressable RGB LED header supports the WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.
The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

Post Status Checker

An easy troubleshooting tool that shows the CPU/DRAM/VGA/BOOT operation every time you start up the system. Post Status Checker is an fast and easy way to identify the source of the problem.


Stable & Reliable
Intel® LAN provides the best throughput performance, lower CPU utilization and enhanced stability that's able to deliver the ultimate networking experience to users!

Intel® Optane™ Memory Ready

Supports Intel® Optane™ memory technology and Intel® Optane™ storage technology redefines a new standard of high performance and responsiveness.

Premium 50A Power Choke

Compared to traditional chokes, ASRock's premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Nichicon 12K Black Caps

This motherboard comes with supreme 12K black capacitors that have lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Black Caps that offer 20% longer lifespans to provide more stability and reliability.

I/O Armor


A newly designed protective cover for all of the crucial parts near the motherboard's rear I/O help prevent damage by static electricity.

Matte Black PCB


A new mysterious matte-black and copper-color scheme to match the prestigious components on ASRock's high-end motherboards.

High Density Glass Fabric PCB

Each motherboard comes with the High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

M.2 (KEY E) For WiFi

Besides the onboard LAN port, users may also choose 802.11ac wireless connections via the M.2 (Key E) slot.
Wi-Fi module is not included.

Live Update & APP Shop

The ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies