ASRock B850M-X Motherboard – AMD AM5 Micro-ATX with DDR5, PCIe 4.0/5.0 Support, M.2 NVMe

• • Unique Feature
    Superb Productivity
    – PCIe Gen5 (M.2)
    – Dual Channel DDR5
    Rock-Solid Durability
    – 6+1+1 Power Phase, Dr.MOS for VCore
    Ultrafast Connectivity
    – 2.5G LAN
    EZ Update
    – BIOS Flashback Button
    – ASRock Auto Driver Installer
    EZ Troubleshooter
    – ASRock Post Status Checker
  • CPU
    – Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*

    *The availability of expansion slots may vary by CPU. Please refer to PCIe/M.2 Bandwidth Table for details.
  • Chipset
    – AMD B850
  • Memory
    – Dual Channel DDR5 Memory Technology
    – 2 x DDR5 DIMM Slots
    – Supports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)*
    – Max. capacity of system memory: 128GB
    – Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

    *Please refer to Memory Support List on ASRock’s website for more information.
  • BIOS
    – 256Mb AMI UEFI Legal BIOS with GUI support
  • Graphics
    Integrated AMD RDNA™ graphics (Actual support may vary by CPU)
    – 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
    – 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz
  • Audio
    – 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
    – Nahimic Audio
  • LAN
    – 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
    – Dragon RTL8125BG
    – Supports Dragon 2.5G LAN Software
    – Smart Auto Adjust Bandwidth Control
    – Visual User Friendly UI
    – Visual Network Usage Statistics
    – Optimized Default Setting for Game, Browser, and Streaming Modes
    – User Customized Priority Control

• Slots
  CPU:
  – 1 x PCIe 4.0 x16 Slot (PCIE1), supports x16 mode*
  Chipset:
  – 1 x PCIe 4.0 x1 Slot (PCIE2)*
  – 1 x PCIe 4.0 x16 Slot (PCIE3), supports x4 mode*
  – 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module

  *PCIE1 will run at Gen4x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
  Supports NVMe SSD as boot disks
• Storage
  CPU:
  – 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
  – 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
  Chipset:
  – 4 x SATA3 6.0 Gb/s Connectors

  *Supports NVMe SSD as boot disks
  M2_1 is the first priority for M.2 installation.
  M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
  M2_2 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
• RAID
  – Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
  – Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*

  *Requires additional M.2 NVMe expansion cards to support RAID 10
• USB
  CPU:
  – 3 x USB 3.2 Gen1 Type-A (Rear)
  – 1 x USB 2.0 (Rear (USB_2))
  Chipset:
  – 2 x USB 3.2 Gen1 Type-C (1 Rear, 1 Front)
  – 2 x USB 3.2 Gen1 Type-A (Front)
  – 5 x USB 2.0 (1 Rear (USB_1), 4 Front)

  *All USB ports support ESD Protection
• Connector
  – 1 x Thermistor Cable Header
  – 1 x SPI TPM Header
  – 1 x Power LED and Speaker Header
  – 1 x RGB LED Header*
  – 3 x Addressable LED Headers**
  – 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
  – 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***
  – 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
  – 1 x 24 pin ATX Power Connector
  – 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
  – 1 x Front Panel Audio Connector
  – 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
  – 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
  – 1 x Front Panel Type C USB 3.2 Gen1 Header

  *Supports in total up to 12V/3A, 36W LED Strip

  **Support in total up to 5V/3A, 15W LED Strip

  ***CPU_FAN1 supports the fan power up to 1A (12W).

  ***CPU_FAN2, CHA_FAN1~3 and AIO_PUMP support the fan power up to 3A (36W).
  CPU_FAN2, CHA_FAN1~3 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.

• Rear Panel I/O
  – 2 x Antenna Mounting Points
  – 1 x HDMI Port
  – 1 x DisplayPort 1.4
  – 1 x USB 3.2 Gen1 Type-C Port
  – 3 x USB 3.2 Gen1 Type-A Ports
  – 2 x USB 2.0 Ports
  – 1 x RJ-45 LAN Port
  – 1 x BIOS Flashback Button
  – HD Audio Jacks: Line in / Front Speaker / Microphone
• Software and UEFI
  Software
  – ASRock Motherboard Utility (A-Tuning)
  – ASRock Dragon 2.5G LAN Software
  – ASRock Polychrome SYNC*
  UEFI
  – ASRock EZ Mode
  – ASRock Full HD UEFI
  – ASRock Auto Driver Installer
  – ASRock Instant Flash

  *These utilities can be downloaded from ASRock Live Update & APP Shop.
• Accessories
  – 1 x I/O Shield
  – 2 x SATA Data Cables
  – 1 x Screw for M.2 Socket
• Form Factor
  – Micro ATX Form Factor: 9.6-in x 8.9-in, 24.4 cm x 22.6 cm
• OS
  – Microsoft Windows^® 10 64-bit / 11 64-bit
• Certifications
  – FCC, CE
  – ErP/EuP ready (ErP/EuP ready power supply is required)

The ASRock B850M-X is a modern motherboard engineered for users who want reliable performance and compatibility with AMD’s latest desktop processors. Built on the AMD B850 Chipset, this Micro-ATX motherboard offers the advanced technologies needed for next-generation computing.

Designed for the AM5 platform, the motherboard supports high-speed DDR5 memory, advanced PCIe connectivity, and ultra-fast NVMe storage devices. These features allow users to build powerful systems capable of handling demanding workloads such as gaming, multimedia creation, and productivity applications.

Whether you are building a gaming PC, an office workstation, or a general-purpose home computer, the ASRock B850M-X provides a strong and dependable foundation for modern desktop systems.

Designed for AMD Ryzen Processors

At the core of the ASRock B850M-X is the AM5 socket, which supports modern processors from Advanced Micro Devices.

AMD’s Ryzen processors offer exceptional multi-core performance and improved energy efficiency. These processors are designed to handle demanding workloads such as gaming, video editing, content creation, and multitasking.

When paired with the B850 chipset, users gain access to a modern computing platform that supports faster memory speeds, improved connectivity options, and advanced hardware compatibility.

This platform ensures that the motherboard remains capable of supporting future hardware upgrades and next-generation software.

Compact Micro-ATX Design

The ASRock B850M-X features a Micro-ATX form factor, offering a compact design that fits into many PC cases.

Micro-ATX motherboards are popular because they provide essential features while maintaining a smaller footprint compared to full ATX boards. This makes them ideal for compact desktop systems without sacrificing performance.

Benefits of the Micro-ATX design include:

• Space-efficient system builds

• Compatibility with a wide range of PC cases

• Easier system assembly

• Balanced expansion capabilities

This makes the B850M-X suitable for gaming PCs, home desktops, and professional workstations.

Next-Generation DDR5 Memory Support

One of the most important features of the ASRock B850M-X is its support for DDR5 memory technology.

DDR5 memory delivers significantly higher bandwidth compared to previous DDR4 memory. This allows modern processors to access data faster, improving system responsiveness and overall performance.

Advantages of DDR5 memory include:

• Higher data transfer rates

• Improved multitasking capability

• Greater memory bandwidth for gaming and professional applications

• Better energy efficiency

With DDR5 compatibility, the motherboard ensures that systems remain ready for modern applications and future hardware upgrades.

Advanced PCIe Expansion Support

The ASRock B850M-X includes a PCIe x16 slot designed to support modern graphics cards and expansion devices.

PCI Express technology enables high-speed communication between hardware components such as graphics cards, storage devices, and networking cards. With support for advanced PCIe generations, the motherboard ensures compatibility with high-performance GPUs.

Benefits of modern PCIe connectivity include:

• Faster communication between CPU and GPU

• Improved gaming performance

• Support for next-generation expansion devices

• Enhanced system responsiveness

Gamers and creators can install powerful graphics cards to achieve excellent performance in gaming, 3D rendering, and content creation workloads.

High-Speed M.2 NVMe Storage

The ASRock B850M-X includes M.2 slots designed for NVMe solid-state drives, enabling extremely fast storage performance.

NVMe SSDs provide significantly faster read and write speeds compared to traditional SATA drives. This results in major improvements in system responsiveness.

Key benefits include:

• Faster system boot times

• Rapid application launches

• Shorter game loading screens

• Faster file transfers

The motherboard also provides SATA connectors for traditional SSDs and hard drives, allowing flexible storage configurations.

Reliable Connectivity and Networking

The ASRock B850M-X provides a variety of connectivity options designed to support modern peripherals and networking devices.

Connectivity features include:

• USB ports for keyboards, mice, and storage devices

• High-speed USB connections for external drives

• Gigabit LAN networking for stable internet access

• Audio ports for speakers and headsets

The integrated Ethernet controller ensures stable and reliable networking performance, which is important for online gaming, streaming, and remote work.

Integrated Graphics Support

For systems using AMD processors with integrated graphics, the ASRock B850M-X includes display outputs that allow monitors to connect directly to the motherboard.

Typical display outputs include:

• HDMI

• DisplayPort

This feature allows users to build functional desktop systems without installing a dedicated graphics card, making the motherboard suitable for office computers and multimedia PCs.

Durable Components and Stable Power Delivery

Reliability is a key factor when selecting a motherboard, and the ASRock B850M-X is designed with durable components that ensure stable operation.

The motherboard includes optimized power delivery circuits and high-quality capacitors that maintain consistent voltage levels for the processor and other components.

Benefits of stable power delivery include:

• Improved system stability

• Reliable performance during heavy workloads

• Extended hardware lifespan

These features make the motherboard suitable for long-term use in gaming systems and professional workstations.

Easy BIOS Interface and System Configuration

The ASRock B850M-X includes an intuitive BIOS interface that simplifies system configuration and hardware monitoring.

Users can easily adjust:

• Boot priorities

• Memory settings

• Fan speed controls

• Hardware monitoring options

This user-friendly interface allows both beginners and experienced PC builders to configure their systems quickly and efficiently.

Ideal Use Cases

The ASRock B850M-X is suitable for many types of desktop builds, including:

• Gaming PC systems

• Home office desktops

• Productivity workstations

• Student computers

• Multimedia and entertainment PCs

Its balance of modern technology, compact design, and reliable performance makes it an excellent motherboard for a wide range of users.

Why Choose the ASRock B850M-X

There are several reasons why PC builders choose the ASRock B850M-X motherboard:

1. Support for AMD Ryzen AM5 processors

2. Next-generation DDR5 memory compatibility

3. High-speed NVMe storage support

4. Advanced PCIe expansion capabilities

5. Compact Micro-ATX design

6. Reliable networking connectivity

7. Excellent value for modern desktop builds

These features combine to create a motherboard that balances performance, compatibility, and affordability.

Final Thoughts

The ASRock B850M-X offers a reliable platform for building modern AMD desktop systems. With support for Ryzen processors, DDR5 memory, advanced PCIe expansion, and high-speed NVMe storage, it provides the performance and features needed for today’s computing environments.

Whether you are building a gaming PC, upgrading a workstation, or assembling a home desktop system, the ASRock B850M-X delivers dependable performance and strong value for AM5 platform builds.