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Micro-ATX motherboard with black PCB and silver heatsinks

ASRock

ASRock B850M Riptide WiFi AMD motherboard

SKU CH-CTTD-H4JWY MPN B850M Riptide WiFi

Micro-ATX AM5 board with 12+2+1 power phases, PCIe 5.0 x16, Gen5 M.2, four DDR5 slots up to 8000+ MT/s, Realtek 7.1 audio and Dragon RTL8125BG LAN

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Form factorMicro ATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryUp to 8000+(OC)

Model B850M Riptide WiFi

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  • Supports Ryzen 7000, 8000 and 9000 series CPUs on AM5 socket
  • 12+2+1 phase Dr.MOS power design with 1000uF 20K capacitors
  • Four DDR5 slots up to 8000+(OC) with AMD EXPO and Intel XMP 3.0
  • PCIe 5.0 x16 plus three M.2 slots including Gen5x4 and Gen4x4
  • Realtek ALC1220 7.1 audio with Nahimic and Dragon RTL8125BG LAN

Micro-ATX AM5 Board With Three M.2 Slots

This board suits builders choosing a Ryzen 7000, 8000 or 9000 CPU and needing four DDR5 slots, a PCIe 5.0 x16 slot and three M.2 sockets. The 12+2+1 phase Dr.MOS layout and 20K capacitors give stable power for high loads.

Straightforward Install With Standard Clearances

The micro-ATX footprint fits most cases using regular standoffs and the I/O shield is pre-mounted. CPU power uses an 8-pin connector and the 24-pin ATX sits at the usual edge. Tall coolers can block the first DIMM slot, so check cooler height before ordering.

Compact Builds Needing Triple M.2 And 256GB RAM

Enthusiasts wanting up to 256GB DDR5, three M.2 drives and 7.1 audio in a smaller chassis will match well. Users requiring more than one PCIe x16 slot or more than four SATA ports should look at a full-size ATX alternative.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $148.99
Cheaper than about 62% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASRock
Model nameB850M Riptide WiFi
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryUp to 8000+(OC)
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesAMD EXPO / Intel XMP 3.0
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 Channels
Connectivity
Ethernet controllerDragon RTL8125BG
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 4.0 x16 slots1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode*
Rear panel ports2 x Antenna Ports
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
1 x USB 3.2 Gen2 Type-A Port (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_23 are Lightning Gaming Ports
Onboard USB headers2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen1 Header
Power
Power connectors1 × 24 pin ATX Power Connector (Hi-Density Power Connector)
1 × 8 pin 12 V Power Connector (Hi-Density Power Connector)
1 × 4 pin 12 V Power Connector (Hi-Density Power Connector)
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight1.36 kg
Package size305 × 279 × 76 mm
Compatibility
Windows 11 supportWindows OS 10 64-bit / 11 64-bit
In the box
In the box2 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
More details
BIOS256Mb AMI UEFI Legal BIOS with GUI support

Other versions of this model

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Questions about this item

How can I confirm the ASRock B850M Riptide WiFi is running correctly after first boot?

Enter the BIOS and verify the CPU is detected as a Ryzen 7000, 8000 or 9000 series processor, that all four DDR5 slots show the installed capacity totalling up to 256 GB, and that the primary M.2 socket reports a Gen5 x4 link.

What comes in the box with the B850M Riptide WiFi and what must I source separately?

The motherboard includes an I/O shield, SATA cables, M.2 screws and a quick-install guide; you must purchase an AM5 CPU, DDR5 memory modules, storage drives and a graphics card separately.

Which M.2 socket should I use for the fastest NVMe drive on this board?

Use the CPU-attached Blazing M.2 socket (M2_1) which supports PCIe 5.0 x4 at 128 Gb/s for a 2280 drive; the chipset sockets run at Gen4 x4 or x2 speeds.

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