Asrock

ASRock B850 Pro-A WiFi (AM5) - ATX DDR5 Motherboard, 4x M.2, 256GB Max, Wi-Fi 6E, 2.5Gb LAN, HDMI 2.1 - Black

SKU 4938 Brand Asrock EAN13 4711581490192
ATX AM5 motherboard with AMD B850 chipset, DDR5 support up to 256 GB, 4 M.2 slots, Wi‑Fi 6E, Bluetooth 5.2, 2.5Gb Ethernet, HDMI 2.1 and multiple USB‑C/A ports.
Motherboards - Socket AM5
Motherboards - Form Factor ATX
Motherboards - Memory Type DDR5
Motherboards - Memory Slots 4
Motherboards - Max Memory Capacity 256 GB
Motherboards - PCIe Version (primary GPU) PCIe 5.0
Motherboards - M.2 Slots 4
Motherboards - SATA Ports 4
Motherboards - USB-C Rear Type-C
Asrock B850 Pro-A WiFi. Processor manufacturer: AMD. Processor socket: Socket AM5. Compatible processor series: AMD Ryzen 7000 Series. AMD Ryzen 8000 Series. AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM. Maximum internal memory: 256 GB. Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 4.0. PCI Express 5.0. SATA III. Supported storage drive types: HDD & SSD. RAID levels: 0. 1. 10. Maximum resolution: 3840 x 2160 pixels. USB connector type: USB Type-A. USB Type-C
Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series. AMD Ryzen 8000 Series. AMD Ryzen 9000 Series
Supported processor socketsSocket AM5
Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & Non-ECC
Maximum internal memory256 GB
FeatureAntenna included
Supported storage drive typesHDD & SSD
Supported storage drive interfacesPCI Express 4.0. PCI Express 5.0. SATA III
Number of storage drives supported8
RAID levels0. 1. 10
Parallel processing technology supportNot supported
Maximum resolution3840 x 2160 pixels
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
USB 3.2 Gen 2x2 connectors1
Number of SATA III connectors4
Number of CPU fan connectors2
Number of chassis fan connectors4
Number of EPS power connectors (8-pin)2
Number of water pump connectors1
Number of RGB LED pin headers1
USB 2.0 ports quantity6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
HDMI version2.1
Headphone outputs3
WiFi-AP antenna jack2
USB connector typeUSB Type-A. USB Type-C
Ethernet interface type2.5 Gigabit Ethernet
LAN controllerDragon RTL8125BG
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Wi-Fi standards802.11a. 802.11b. 802.11g. Wi-Fi 4 (802.11n). Wi-Fi 5 (802.11ac). Wi-Fi 6 (802.11ax). Wi-Fi 6E (802.11ax)
Bluetooth version5.2
Motherboard chipsetAMD B850
Audio chipRealtek ALC897
Audio output channels7.1 channels
Product colourBlack
Component forPC
Motherboard form factorATX
Motherboard chipset familyAMD
Windows operating systems supportedWindows 10 x64. Windows 11 x64
CertificationFCC. CE. ErP/EuP
PCI Express x16 (Gen 4.x) slots1
PCI Express x16 (Gen 5.x) slots1
Number of M.2 (M) slots4
1st M.2 largest key size2280
1st M.2 highest PCI Express generation5.0
2nd M.2 largest key size2280
2nd M.2 highest PCI Express generation4.0
3rd M.2 largest key size2280
3rd M.2 highest PCI Express generation4.0
4th M.2 largest key size2280
4th M.2 highest PCI Express generation4.0
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Width305 mm
Depth244 mm
Cables includedSATA