Asrock · MPN: 90-MXBT20-A0UAYZ
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Overview

  • Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
  • 18+2+1 Phase Power Design, 80A SPS for VCore+SOC
  • 4 x DDR5 DIMMs
  • Supports Dual Channel, up to 8400+ (OC)
  • 1 PCIe 5.0 x16, 1 PCIe 4.0 x16
  • Graphics Output Options: 1 HDMI, 2 USB4 Type-C
  • Realtek ALC4082 7.1 CH HD Audio Codec, Nahimic Audio
  • 2 Blazing M.2 (PCIe Gen5x4)
  • 2 Hyper M.2 (PCIe Gen4x4)
  • 1 M.2 (PCIe Gen3x2 & SATA3)
  • 2 SATA3
  • 2 USB4 Type-C (Rear)
  • 1 USB 3.2 Gen2x2 Type-C (Front)
  • 2 USB 3.2 Gen2 (Rear)
  • 7 USB 3.2 Gen1 (3 Rear, 4 Front)
  • 8 USB 2.0 (4 Rear, 4 Front)
  • Realtek 5GbE LAN
  • 802.11be WiFi 7 + Bluetooth
  • Supports EZ Release Design, Toolless Multi-Layer M.2 Heatsink, M.2 Bottom Heatsink

FAST MYSTERIOUS UNBEATABLE
Phantom Gaming is designed by gamers and for gamers! Underneath its relentless appearance lie plentiful gaming oriented features and excellent gaming capabilities. It’s all about bringing a new gaming experience to gamers!

DDR5 XMP & EXPO Support
Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.

PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.

Graphics Card EZ Release
ASRock redesigned the PCIe slot installation method to cater to user needs, allowing for hassle-free installation and removal of the graphics card effortlessly.

XXL M.2 Heatsink
The extra-large aluminum alloy M.2 heatsink with toolless design is a user friendly quick release mechanism that helps installing M.2 SSD super easy & simple.

Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.

M.2 Bottom Heatsink
The M.2 bottom heatsink is able to dissipate heat of the M.2 SSD efficiently through the motherboard PCB, maximize performance while maintaining system stability.

Enhanced USB4 Type-C
USB4 technology brings speed and versatility to the most advanced USB Type-C, offering a fast and simple level of connection for work or home. It enables lightning-fast 40Gbps data transfer bitrate.

Optimized 5 Gb/s LAN
ASRock's 5Gb/s LAN Connector features an exclusive, patented design, boasting superior electromagnetic interference resistance, ensuring high-speed stable performance and providing users with a better networking experience.

Front Panel USB 3.2 Gen2x2 Type-C Header
The latest USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate which is 2x as fast as previous generation, providing a blazing fast data transfer interface with reversible USB Type-C design that fits the connector either way.

Fast Charging Technology
Enjoy the superfast charging rate, up to 12V@3A 36W with PD 3.0! far more than any smartphone requires.

POLYCHROME RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow 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 accessories to create their own unique lighting effects.

SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.

Specifications

Processor

Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series

Memory

Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & Non-ECC
Supported memory clock speeds8400 MHz
Maximum internal memory256 GB
Show all 57 specificationsShow fewer specifications

Storage controllers

Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
Number of storage drives supported5
RAID supportYes
RAID levels0, 1, 10

Internal I/O

USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
USB 3.2 Gen 2x2 connectors1
Front panel audio connectorYes
ATX Power connector (24-pin)Yes
CPU fan connectorYes
Number of CPU fan connectors2
EPS power connector (8-pin)Yes
Number of EPS power connectors (8-pin)2
RGB LED pin headerYes

Rear panel I/O ports

USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity3
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB4 Gen 2x2 ports quantity2
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
Microphone inYes
S/PDIF out portYes

Network

Ethernet LANYes
Ethernet interface type5 Gigabit Ethernet
LAN controllerRealtek RTL8126
Wi-FiYes
Top Wi-Fi standardWi-Fi 7 (802.11be)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be)
BluetoothYes
Bluetooth version5.4

Features

Component forPC
Motherboard form factorATX
Motherboard chipset familyAMD
Motherboard chipsetAMD X870
Audio chipRealtek ALC4082
Audio output channels7.1 channels
Windows operating systems supportedWindows 10 x64, Windows 11 x64

Expansion slots

PCI Express x16 (Gen 4.x) slots1
PCI Express x16 (Gen 5.x) slots1
Number of M.2 (M) slots3

BIOS

BIOS typeUEFI AMI
BIOS memory size256 Mbit

Weight & dimensions

Width305 mm
Depth244 mm

Packaging content

Antenna includedYes
Cables includedSATA

Manuals & downloads

Delivery & returns

Delivery

  • FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
  • Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
  • PlayStation and Arozzi products use a 5–7 working-day service.
  • Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.

Returns

  • Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
  • Faulty or damaged on arrival? Contact us within 48 hours of delivery.
  • Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.

Full delivery information · Full returns policy