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ATX motherboard in matte black with silver heatsinks and white accents

ASRock

ASRock B850 Live Mixer WiFi AMD motherboard AM5 DDR5 256GB

SKU CH-XF2F-JG70Q MPN B850 Live Mixer WiFi

ATX motherboard for AMD Ryzen 7000, 8000 and 9000 CPUs with DDR5 up to 256GB, one PCIe Gen5 x16, two PCIe Gen4 x4 M.2, two SATA3, Realtek ALC1220 7.1 audio and Dragon RTL8125BG LAN

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8000+(OC)
  • Maximum Memory Supported256GB

Option B850 Live Mixer WiFi

Struck-through versions exist but are not stocked here.

  • Supports Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • 14+2+1 phase power design with 80A Dr.MOS for stable CPU delivery
  • Four DDR5 DIMM slots run dual-channel up to 8000+ (OC) with 256GB max capacity
  • One PCIe 5.0 x16 slot plus two PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC1220 7.1-channel HD audio with Nahimic enhancement for content creation

LiveMixer for content creators

The ASRock B850 Live Mixer WiFi is an ATX motherboard built for the AM5 socket. It supports Ryzen 7000, 8000 and 9000 series processors and runs DDR5 memory up to 8000 MT/s across four slots. A 14+2+1 phase VRM with 80A Dr.MOS delivers stable power for long streaming sessions.

Ideal for streamers; not for minimal builds

This board suits creators who need many USB ports and validated capture-device compatibility. It provides 12 USB 2.0, 8 USB 3.2 Gen1, plus Gen2 and Gen2x2 Type-C ports. Builders wanting a smaller form factor or fewer rear I/O connections should look at a micro-ATX or Mini-ITX alternative.

256GB DDR5 capacity decides the fit

The maximum supported memory is 256GB of un-buffered DDR5 with ECC across four 288-pin slots in dual-channel mode. If your workload needs that much RAM, this board fits; if 64GB or 128GB is the ceiling, a less expensive B850 model will cover it.

Highlights

  • Supports Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • 14+2+1 phase power design with 80A Dr.MOS for stable CPU delivery
  • Four DDR5 DIMM slots run dual-channel up to 8000+ (OC) with 256GB max capacity
  • One PCIe 5.0 x16 slot plus two PCIe 4.0 x16 slots for graphics and expansion
  • Realtek ALC1220 7.1-channel HD audio with Nahimic enhancement for content creation

Specifications

BrandASRock
ModelB850 Live Mixer WiFi
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8000+(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO / Intel XMP 3.0
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
* PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
* If M2_3 is occupied, PCIE3 will be disabled.
* Supports NVMe SSD as boot disks
- 15µ Gold Contact in VGA PCIe Slot (PCIE1)
PCI Express 4.0 x162 x PCIe 4.0 x16 Slots (PCIE2 and PCIE3), support x4 mode*
Serial ATA (SATA)2 x SATA 6Gb/s
M.2CPU:
- 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 2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
* 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
SATA RAIDSupports RAID 0 and RAID 1 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
Audio ChipsetRealtek ALC1220
Audio Channels7.1 Channels
LAN ChipsetDragon RTL8125BG
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x Antenna Ports
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
4 x USB 3.2 Gen1 Type-A Ports*
8 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
1 x Line Out Jack (Gold Audio Jack)
1 x Microphone Input Jack (Gold Audio Jack)
* USB32_12 are Lightning Gaming Ports. USB32_34 support Ultra USB Power
Onboard USB2 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 Gen2x2 Header (20 Gb/s)
Other Connectors1 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 AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel Audio Connector
* 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
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24 pin ATX Power Connector
1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC
* These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
Windows 11Windows OS 10 64-bit / 11 64-bit
FeaturesSuperb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
Rock-Solid Durability
- 14+2+1 Power Phase, 80A Dr.MOS for VCore+SOC+MISC with Enlarged
Heatsink Armor
- Flexible Integrated I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors)
for VCore
Ultrafast Connectivity
- 2.5G LAN, 802.11be Wi-Fi 7 Module
- ASRock Lightning Gaming Ports
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker
Package Contents2 x SATA Data Cables
2 x ASRock WiFi 2.4/5/6 GHz Antennas
1 x Thermistor Cable
Shipping weight2.02 kg
Package size356 × 292 × 83 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will a Ryzen 9000 series CPU run the primary PCIe x16 slot at Gen 5 x16 speed?

Yes, the PCIE1 slot operates at PCIe 5.0 x16 with Ryzen 9000 series processors.

How many M.2 drives can be installed directly on the board and what speeds do they support?

Three M.2 sockets are onboard: one PCIe Gen5 x4 and two PCIe Gen4 x4, all Key M 2280.

Does the board support ECC memory and what is the maximum capacity?

Yes, unbuffered ECC DDR5 is supported up to 256 GB across four DIMM slots.

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