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ASRock B850M Riptide WiFi AMD AM5 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, Fitted I/O Shield, 2.5GbE LAN, Wi-Fi 7, 1x DisplayPort / 1x HDMI Port

ASRock B850M Riptide WiFi AMD AM5 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 3x M.2 Sockets, Fitted I/O Shield, 2.5GbE LAN, Wi-Fi 7, 1x DisplayPort / 1x HDMI Port

Regular price £168.18 GBP
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ASRock Phantom Gaming B850M Riptide WiFi Motherboard (AMD AM5, B850, mATX)

The ASRock Phantom Gaming B850M Riptide WiFi is a micro ATX motherboard designed for AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series processors, delivering powerful performance, fast connectivity, and flexible storage in a compact form factor.


Key Features

  • CPU Support
  • AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors
  • 12+2+1 power phase design with Dr.MOS for VCore + SOC + MISC
  • Enlarged heatsink for enhanced cooling

  • Memory

  • 4 x DDR5 DIMM slots
  • Dual Channel DDR5 memory technology
  • Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+ (OC)
  • Maximum system memory capacity: 256GB
  • Supports XMP and EXPO memory profiles

  • Graphics & Expansion

  • 1 x PCIe 5.0 x16 slot (PCIE1)
  • 1 x PCIe 4.0 x4 slot (PCIE2)
  • 15µ gold contact in VGA PCIe slot (PCIE1)
  • Integrated AMD RDNA graphics support (actual support may vary by CPU)
  • HDMI 2.1 and DisplayPort 1.4 outputs, both up to 4K 120Hz

  • Storage

  • 1 x Blazing M.2 (PCIe Gen5x4, 128 Gb/s)
  • 1 x Hyper M.2 (PCIe Gen4x4, 64 Gb/s)
  • 1 x M.2 (PCIe Gen4x2, 32 Gb/s)
  • 4 x SATA3 6.0 Gb/s connectors
  • Supports up to 3 x NVMe M.2 SSDs
  • Supports RAID 0, 1, 10 for SATA and M.2 NVMe storage
  • Multi-layer M.2 heatsink and support for M.2 bottom heatsink
  • M2_1 is first priority for M.2 installation

  • Networking & Wireless

  • Realtek 2.5G LAN (Dragon RTL8125BG)
  • 802.11be Wi-Fi 7 (2x2) + Bluetooth 5.4
  • Supports MU-MIMO
  • Phantom Gaming LAN software with bandwidth control and usage statistics
  • Wi-Fi 7 module supported by Windows 11 only

  • Audio

  • 7.1 CH HD Audio
  • Realtek ALC897 audio codec
  • Impedance sensing on Rear Out port
  • Individual PCB layers for left/right audio channels
  • Nahimic Audio

  • USB Connectivity

  • Rear:
    • 1 x USB 3.2 Gen2 Type-C
    • 1 x USB 3.2 Gen2 Type-A
    • 2 x USB 3.2 Gen1 Type-A
    • 4 x USB 2.0
  • Front:
    • 1 x USB 3.2 Gen1 Type-C header
    • 4 x USB 3.2 Gen1 ports via headers
    • 4 x USB 2.0 ports via headers
  • All USB ports with ESD protection
  • Lightning Gaming Ports (USB32_2/3) for lower jitter and latency

  • Design & Durability

  • Micro ATX form factor: 9.6" x 9.6" (24.4 cm x 24.4 cm)
  • 2oz copper PCB
  • Flexible integrated I/O shield
  • 20K long-lasting black caps (high quality conductive polymer capacitors)

  • Convenience & Utilities

  • BIOS Flashback button
  • ASRock Auto Driver Installer
  • ASRock EZ Troubleshooter & Post Status Checker
  • ASRock Motherboard Utility (Phantom Gaming Tuning)
  • ASRock Polychrome SYNC RGB
  • EZ Update and EZ Mode UEFI

Specifications

Platform

Category Details
Form Factor Micro ATX, 9.6" x 9.6" (24.4 cm x 24.4 cm)
PCB 2oz Copper PCB
Chipset AMD B850

CPU

Feature Details
Socket AMD AM5
Support Ryzen 9000, 8000 and 7000 Series Processors

Power Design

  • 12+2+1 power phase design
  • Dr.MOS for VCore + SOC + MISC
  • Hi-Density power connectors (24-pin ATX, 8-pin 12V, 4-pin 12V)

Memory

Feature Details
Technology Dual Channel DDR5
Slots 4 x DDR5 DIMM
Capacity Up to 256GB total
Support DDR5 ECC/non-ECC, un-buffered
Overclocking Up to 8000+ (OC)
Profiles XMP, EXPO

Expansion Slots

Source Slot Mode / Notes
CPU 1 x PCIe 5.0 x16 (PCIE1) Up to x16 mode; 15µ gold contact
CPU 1 x PCIe 4.0 x4 (PCIE2) x4 mode
Chipset 1 x Vertical M.2 (Key E) Type 2230 WiFi/BT PCIe WiFi module

PCIE1 behavior by CPU series:

  • Ryzen 9000 & 7000: PCIe Gen5 x16
  • Ryzen 8000 (Phoenix 1): PCIe Gen4 x8
  • Ryzen 8000 (Phoenix 2): PCIe Gen4 x4

Supports NVMe SSDs as boot disks.


Graphics

Output Details
HDMI HDMI 2.1 TMDS/FRL 8G compatible, HDR, HDCP 2.3, up to 4K 120Hz
DisplayPort DisplayPort 1.4 with DSC (compressed), HDCP 2.3, up to 4K 120Hz
  • Integrated AMD RDNA graphics (support may vary by CPU)

Storage

Connector Type & Mode Form Factor
M2_1 Blazing M.2 (PCIe Gen5x4, 128 Gb/s) Type 2280
M2_2 M.2 (PCIe Gen4x2, 32 Gb/s) Type 2260/2280
M2_3 Hyper M.2 (PCIe Gen4x4, 64 Gb/s) Type 2260/2280
SATA 4 x SATA3, 6.0 Gb/s

Additional details:

  • Supports up to 3 x NVMe M.2 SSDs
  • Supports NVMe SSDs as boot disks
  • M2_1 is first priority for M.2 installation
  • M2_1 behavior by CPU:
  • Ryzen 9000 & 7000: Gen5x4
  • Ryzen 8000 (Phoenix 1): Gen4x4
  • Ryzen 8000 (Phoenix 2): Gen4x2

RAID Support

  • RAID 0, 1, 10 for SATA storage devices
  • RAID 0, 1, 10 for M.2 NVMe storage devices
  • Requires additional M.2 NVMe expansion cards for RAID 10

Audio

Feature Details
Codec Realtek ALC897 7.1 CH HD Audio
Enhancements Impedance sensing on Rear Out
Design Individual PCB layers for L/R audio
Software Nahimic Audio

LAN & Wireless

Wired LAN

Feature Details
Controller 2.5 Gigabit LAN (Dragon RTL8125BG)
Speed 10/100/1000/2500 Mb/s
Software Phantom Gaming LAN (bandwidth control, stats, optimized modes)

Wireless LAN & Bluetooth

Feature Details
Standard 802.11be Wi-Fi 7, 2x2 module
Bands 2.4GHz / 5GHz / 6GHz
Bandwidth Supports 160MHz with 6GHz band
Antenna 1 x antenna supporting 2 x (Transmit) x 2 (Receive) diversity
Bluetooth Bluetooth 5.4
MU-MIMO Supported
OS Support (Wi-Fi) Wi-Fi 7 module supported by Windows 11 only; no driver for Windows 10
6GHz Availability Dependent on regional regulations; activated via Windows/software updates when available

USB Connectivity

From CPU

  • 1 x USB 3.2 Gen2 Type-C (rear)
  • 1 x USB 3.2 Gen2 Type-A (rear)
  • 1 x USB 3.2 Gen1 Type-A (rear, USB32_2)

From Chipset

  • 1 x USB 3.2 Gen1 Type-C (front)
  • 5 x USB 3.2 Gen1 Type-A (1 rear: USB32_3, 4 front via headers)
  • 8 x USB 2.0 ports (4 rear, 4 front via headers)

All USB ports support ESD protection.


Rear I/O Panel

  • 2 x Antenna ports
  • 1 x HDMI port
  • 1 x DisplayPort 1.4
  • 1 x USB 3.2 Gen2 Type-C (10 Gb/s)
  • 1 x USB 3.2 Gen2 Type-A (10 Gb/s)
  • 2 x USB 3.2 Gen1 ports
  • 4 x USB 2.0 ports
  • 1 x RJ-45 LAN port
  • 1 x BIOS Flashback button
  • HD audio jacks: Line in / Front Speaker / Microphone
  • USB32_2 and USB32_3 are Lightning Gaming Ports

Internal Connectors & Headers

  • 1 x SPI TPM header
  • 1 x Thermistor cable 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 fan connectors (4-pin, Smart Fan Speed Control)
  • 1 x 24-pin ATX power connector (Hi-Density)
  • 1 x 8-pin 12V power connector (Hi-Density)
  • 1 x 4-pin 12V power connector (Hi-Density)
  • 1 x Front panel audio connector
  • 2 x USB 2.0 headers (up to 4 USB 2.0 ports)
  • 2 x USB 3.2 Gen1 headers (up to 4 USB 3.2 Gen1 ports)
  • 1 x Front panel USB 3.2 Gen1 Type-C header

LED Power Support:

  • Up to 12V/3A, 36W LED strip (12V) in total
  • Up to 5V/3A, 15W LED strip (5V) in total

Fan Power Support:

  • CPU_FAN1: up to 1A (12W)
  • CPU_FAN2 & CHA_FAN1–3: up to 3A (36W) each
  • CPU_FAN2 and CHA_FAN1–3 auto-detect 3-pin or 4-pin fans

BIOS

  • 256Mb AMI UEFI Legal BIOS with GUI support

Software & UEFI

Software

  • ASRock Motherboard Utility (Phantom Gaming Tuning)
  • ASRock Phantom Gaming LAN Software
  • ASRock Polychrome SYNC

UEFI

  • ASRock EZ Mode
  • ASRock Full HD UEFI
  • ASRock Auto Driver Installer
  • ASRock Instant Flash

Operating System Support

  • Microsoft Windows 10 64-bit
  • Microsoft Windows 11 64-bit

(Note: Wi-Fi 7 module driver is available for Windows 11 only.)


Certifications

  • FCC
  • CE
  • ErP/EuP ready (ErP/EuP ready power supply required)

Included Accessories

  • 2 x SATA data cables
  • 2 x ASRock WiFi 2.4/5/6 GHz antennas
  • 1 x Thermistor cable
  • 2 x Screws for M.2 sockets
  • 1 x Standoff for M.2 socket