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ASRock B860M Steel Legend WiFi

B860 · LGA1851 · Micro-ATX
ASRock B860M Steel Legend WiFi product image

General

ChipsetB860
SocketLGA1851
Form FactorMicro-ATX
Supported CPU FamiliesCore Ultra 200S

Highlights

Memory4× DDR5 · max 256 GB · 8666 MT/s
M.2 Slots4× (1× PCIe 5.0)
GPU Slots1× x16 · PCIe 5.0
Fastest USBUSB4 (40 Gbps) · Thunderbolt 4
NetworkLAN 2.5 Gbps · Wi-Fi 6E · Bluetooth 5.3
Power Stages12+1+1+1 phases · 80 A

Manufacturer Links

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

Memory TypeDDR5
Max RAM Speed8666 MT/s
Max RAM256 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportNo

Expansion and Storage

PCIe Version5.0
PCIe x16 Slots1
PCIe x1 Slots0
PCIe Slot Modes1× PCIe 5.0 x16
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 4.0 x4 · SATA supported
SATA Ports4
Highest USBUSB4 (40 Gbps)
RAID0/1/5/10

Power Delivery (VRM)

Phase Layout12+1+1+1
CPU Phases6
SoC Phases1
Amps per Phase80 A
PWM ControllerMP29005-A (max. 12 phases), RT3672EE (max. 2 phases)
MOSFET12x 80A MP87681 (SPS)

Connectivity and Audio

Audio CodecRealtek ALC1220
LAN ChipRealtek RTL8125BG (2.5Gb/s)
WirelessWi-Fi 6E · Bluetooth 5.3
Rear I/O
2× USB 2.0 Type-A
4× USB 5Gbps Type-A
2× USB 10Gbps Type-A
1× Thunderbolt 4 (Type-C)
1× HDMI
1× DisplayPort
1× 2.5 Gbps LAN
2× Wi-Fi antenna connector
2× Audio jacks (3.5 mm)
1× S/PDIF optical out
Front Panel Headers
4× USB 2.0
2× USB-A 5Gbps
1× USB-C 10Gbps
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)
RGB Zones
RGB
1 zone (M.2 heatsink)
TPM HeaderYes
BIOS Chip32 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
Diagnostic LED (LED indicators)
I/O-shield integrated
White Build-compatible (PCB white)
3x M.2 passive heatsink