MotherboardsASRock
ASRock B860 Lightning WiFi DDR5 PCIe 5.0 ATX Motherboard
MPN: 90-MXBR20-A0UAYZ
Key specifications
SocketLGA 1851
Form factorATX
ChipsetIntel B860
Memory typeDDR5
M.2 slots5
Max Memory256 GB
Full Specifications31 fields
Additional Information
Model Number
90-MXBR20-A0UAYZ
Gtin
4711581490116
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 mm
Note
-
Core Specifications
Edition
B860 Lightning WiFi
Form Factor
ATX
Socket
1851
Chipset
Intel B860
External Connectivity
Network Interface Type
802.11ax Wi-Fi 6E LAN
Wired 2.5 Gigabit LAN
Network Chip Modules
1 x 802.11ax WiFi 6E + BT5.3
1 x Killer E3100G (2.5GbE LAN)
Rear I O Connectors
1 x BIOS Flashback Button
1 x DisplayPort 1.4
1 x HDMI 2.1
1 x Line Out
1 x Mic-In
1 x RJ-45
1 x S/PDIF-Out (Optical)
3 x USB 2.0
4 x USB 3.2 Gen1 Type-A
2 x USB 3.2 Gen2 Type-A
1 x USB 4.0 Type-C/Thunderbolt 4
1 x WiFi 802.11ax 6E / Bluetooth 5.3
Graphics Support
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
HDMI 2.1
Thunderbolt 4
Internal Connectivity
Expansion Slots
1 x M.2 Key E (Supports Wi-Fi modules)
1 x M.2, 22-30/42/60/80, PCIe Gen4x4
1 x M.2, 22-80, PCIe Gen4x2
1 x M.2, 22-80, PCIe Gen4x4
1 x M.2, 22-80, PCIe Gen5x4
1 x PCIe 4.0 x16 (x2 Bandwidth)
1 x PCIe 5.0 x16
4 x SATA 6GB/s
Sata Support
N/A
Raid Support Via
-
Storage Mode Support
RAID 0
RAID 1
RAID 10
RAID 5
Internal I O
1 x 24-pin (Power)
1 x 4-pin AIO Pump Connector
5 x 4-pin CHA_FAN connector
2 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 Thermal Sensor 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 Gen2 Type-C Front Panel Header
RAM Memory Support
Memory Type
DDR5
Memory Channel
Dual (2)
Memory Type Ecc
Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
-
Max Memory Capacity
256GB
General
Audio
7.1 Channel HD Audio
Best indexed price
£158.16GBP
Indexed 24 May 2026 — verify at retailer
