ASRock B850M Steel Legend DDR5 PCIe 5.0 Micro ATX Gaming Motherboard AMD AM5

AsRock B850 M-ATX AMD Gaming Motherboard

The ASRock B850M Steel Legend delivers premium features in a compact micro ATX form factor, designed for AMD AM5 socket processors. This motherboard supports DDR5 memory for enhanced performance and includes PCIe 5.0 connectivity for next-generation graphics cards and storage devices. Built with robust power delivery and comprehensive cooling solutions, it handles demanding gaming and productivity workloads efficiently. The Steel Legend aesthetic combines sleek design with functional engineering, while extensive BIOS customization options cater to enthusiasts and overclockers. Ideal for high-performance gaming builds or content creation systems where space is a consideration without compromising capability.

Specifications

Edition: B850M Steel Legend WiFi
Form Factor: MicroATX
CPU Socket: AM5
Chipset: AMD B850
Memory Type: DDR5
Memory Channel: Dual (2)
Memory Type (ECC): ECC/Non-ECC
Memory Type (R/U): UDIMM (Unbuffered)
Memory Speed (Mhz): DDR5 - 8000(OC)
Max. Memory Capacity: 256GB
Audio: Realtek ALC1220 7.1 HD Audio
Primary GPU Interface: PCIe 5.0 (x16)
NVIDIA SLI Support: N/A
AMD CrossFire Support: N/A
Integrated Graphics: Discrete GPU Required for Graphics Output
On-Board Graphics Connectors: DisplayPort 1.4 (DSC), HDMI 2.1

Expansion Slots
1 x M.2 Key E (Supports Wi-Fi modules)
1 x M.2, 22-60/80, PCIe Gen4x2
1 x M.2, 22-60/80, PCIe Gen4x4
1 x M.2, 22-80, PCIe Gen5x4
1 x PCIe 4.0 x4
1 x PCIe 5.0 x16
4 x SATA 6GB/s

SATA Support: SATA3
RAID Support via: SATA3 / M.2
Storage Mode Support: RAID 0, RAID 1, RAID 10

Internal I/O
1 x 24-pin (Power)
1 x 4-pin (Power)
3 x 4-pin CHA_FAN connector
1 x 8-pin (Power)
3 x Addressable Digital RGB Header
2 x CPU Fan Connector
1 x Front Panel Audio Header
1 x Power LED / Speaker Header
1 x RGB Header
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
2 x USB 3.2 Gen1 Header
1 x USB 3.2 Gen1 Type-C Front Panel Header

Network Interface Type: 802.11be Wi-Fi 7, Wired 2.5 Gigabit LAN
Network Chip/Modules: 1 x 802.11be WiFi 7 + BT5.4, 1 x Realtek RTL8125BG

Rear I/O Connectors
1 x BIOS Flashback Button
1 x DisplayPort 1.4
1 x Front Speaker Out
1 x HDMI 2.1
1 x Line In
1 x Mic-In
1 x RJ-45
4 x USB 2.0
2 x USB 3.2 Gen1 Type-A
1 x USB 3.2 Gen2 Type-A
1 x USB 3.2 Gen2 Type-C
2 x WiFi Antenna connectors

Cooling: Passive Heatsinks
Board Dimensions: 244 x 244 mm