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ASRock B850 Pro-A WiFi

B850 · AM5 · ATX
ASRock B850 Pro-A WiFi product image

General

ChipsetB850
SocketAM5
Form FactorATX
Supported CPU FamiliesRyzen 7000, Ryzen 8000G, Ryzen 9000

Highlights

Memory4× DDR5 · max 256 GB · 8000 MT/s
M.2 Slots4× (1× PCIe 5.0)
GPU Slots2× x16 · PCIe 5.0
Fastest USBUSB 10 Gbps
NetworkLAN 2.5 Gbps · Wi-Fi 6E · Bluetooth 5.2
Power Stages14+2+1 phases · 80 A

Manufacturer Links

BIOS downloads ↗CPU support list ↗Driver downloads ↗Memory QVL ↗
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Memory

Memory TypeDDR5
Max RAM Speed8000 MT/s
Max RAM256 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportYes

Expansion and Storage

PCIe Version5.0
PCIe x16 Slots2
PCIe x1 Slots0
PCIe Slot Modes
1× PCIe 5.0 x16
1× PCIe 4.0 x16 · electrical: x4
M.2 Slots
M.2_1: PCIe 5.0 x4
M.2_2: PCIe 4.0 x4
M.2_3: PCIe 4.0 x4
M.2_4: PCIe 3.0 x4 · SATA supported
SATA Ports2
Highest USBUSB 10 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout14+2+1
CPU Phases7
SoC Phases2
Amps per Phase80 A
PWM ControllerRT3678BE (max. 10 phases) + RT3672EE (max. 2 phases)
MOSFET14x 80A SiC659 (DrMOS)

Connectivity and Audio

Audio CodecRealtek ALC897
LAN ChipRealtek RTL8125BG (2.5Gb/s)
WirelessWi-Fi 6E · Bluetooth 5.2
Rear I/O
6× USB 2.0 Type-A
4× USB 5Gbps Type-A
1× USB 10Gbps Type-C
1× HDMI
1× DisplayPort
1× 2.5 Gbps LAN
2× Wi-Fi antenna connector
3× Audio jacks (3.5 mm)
Front Panel Headers
3× USB 2.0
2× USB-A 5Gbps
1× USB-C 20Gbps
HD Audio (front audio)
Case Fan Headers
6× 4-pin PWM fan
1× Pump (liquid cooling)
RGB Header
3× ARGB (5V 3-pin)
1× RGB (12V 4-pin)
TPM HeaderYes
BIOS Chip32 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
Diagnostic LED (LED indicators)
1x M.2 passive heatsink