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ASROCK B850M-X AM5 DDR5 mATX MB

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ASROCK B850M-X AM5 DDR5 mATX MB (B850M-X)

ASROCK B850M-X AM5 DDR5 mATX MB

SKU:
B850M-X
EAN:
4711581490109
  • Socket Socket AM5
  • Chipset AMD B850
  • M.2 Slot 2
  • Memory slots 2 x DIMM, DDR5
  • Max RAM frequency 8.2GHz
  • Max Memory Supported 128GB
  • Form Factor micro ATX
Expected in stock 9.4.2026
Description

B850M-X

Features:
  • Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
  • 6+1+1 Phase Power Design, Dr.MOS for VCore
  • 2 x DDR5 DIMMs, Supports Dual Channel, up to 8200+ (OC)
  • 2 PCIe 4.0 x16, 1 PCIe 4.0 x1, 1 M.2 Key E for WiFi
  • Graphics Output Options: 1 HDMI, 1 DisplayPort
  • Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
  • 1 Blazing M.2 (PCIe Gen5x4), 1 Hyper M.2 (PCIe Gen4x4), 4 SATA3
  • 2 USB 3.2 Gen1 Type-C (1 Rear, 1 Front), 5 USB 3.2 Gen1 (3 Rear, 2 Front), 6 USB 2.0 (2 Rear, 4 Front)
  • Realtek 2.5G LAN
  • Supports BIOS Flashback
Specifications:

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
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
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
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
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
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)
Connector
  • 1 x Thermistor Cable Header
  • 1 x SPI TPM Header
  • 1 x Power LED and Speaker Header
  • 1 x RGB LED Heade
  • 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
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
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)

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