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ATX motherboard in dark finish with blue accents, four DDR5 slots, large VRM heatsinks, single HDMI port, multiple M.2 shields and

ASRock

ASRock B850 Riptide WiFi AMD motherboard

SKU CH-7899-YCDHW MPN B850 Riptide WiFi

ATX board for AM5 Ryzen 7000, 8000 and 9000 CPUs with 14+2+1 power phases, PCIe 5.0 x16, 128 Gb/s M.2, 8000+ DDR5, Killer E3100G LAN and Wi‑Fi

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

Model B850 Riptide WiFi

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  • Supports Ryzen 7000, 8000 and 9000 series CPUs
  • 14+2+1 power phases with 80A Dr.MOS deliver stable voltage
  • Four DDR5 slots reach 8000+ MT/s and 256GB capacity
  • One PCIe 5.0 x16 slot plus one PCIe 4.0 x16 slot
  • Realtek ALC4082 7.1‑channel audio with Nahimic enhancement

Socket AM5 Platform

The ASRock B850 Riptide WiFi is an ATX motherboard built for AMD Ryzen 7000, 8000 and 9000 series processors. It uses the B850 chipset and delivers a 14+2+1 phase power design with 80A Dr.MOS for stable operation.

Built for High-Speed Builds

This board suits enthusiasts who want PCIe 5.0 graphics support and a Gen5 M.2 slot running at 128 Gb/s. It also provides three Gen4 M.2 sockets, four SATA 6Gb/s ports and 7.1 channel audio. Users needing more than one full-length PCIe 5.0 slot or a different form factor should consider other models.

Deciding Specification: PCIe 5.0 x16 Slot

The single PCIe 5.0 x16 slot runs at Gen5x16 with 9000 and 7000 series CPUs, Gen4x8 with 8000 Phoenix 1 series and Gen4x4 with 8000 Phoenix 2 series. This lane allocation determines the graphics bandwidth available for your chosen processor.

How it compares

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

Price $170.99
Cheaper than about 58% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASRock
Model nameB850 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
SATA and RAID support0/1/10
Audio & video
Audio chipRealtek ALC4082
Sound channels7.1 Channels
Connectivity
Ethernet controllerKiller E3100G
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 x16 Slot (PCIE2), supports x4 mode
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 Gen2 × 2 Header (20 Gb/s)
Power
Power connectors1 × 24 pin ATX Power Connector (Hi-Density Power Connector)
2 × 8 pin 12 V Power Connectors (Hi-Density Power Connector)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.81 kg
Package size356 × 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 ARGB Splitter Cable
1 x Thermistor Cable
More details
BIOS256Mb AMI UEFI Legal BIOS with GUI support

Other versions of this model

5 more in the same range

Questions about this item

How long are the VRM capacitors rated to last before they may need replacing?

The board uses upgraded 20K Black capacitors rated for 20,000 hours of operation, up from 560uF to 1000uF capacitance.

Which component hits its thermal or bandwidth ceiling first during extended heavy workloads?

The PCIe 5.0 x16 slot runs at Gen5x16 with 9000 and 7000 series CPUs but drops to Gen4x8 with 8000 Phoenix 1 and Gen4x4 with 8000 Phoenix 2 processors.

How loud or hot does the VRM area get when the system runs all day under load?

The 14+2+1 phase design with 80A Dr.MOS and 20K capacitors aims to lower ripple and stabilise output current, reducing VRM heat during sustained loads.

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