| General |
| Brand |
ASUS |
| Model |
PRIME B860M-A WIFI |
| Part Number |
90MB1JY0-M0EAY0 |
| Form Factor |
Micro-ATX (mATX) |
| Chipset |
Intel B860 |
| Socket |
Intel LGA1851 |
| Supported CPUs |
Intel Core Ultra Processors (Series 2); supports Intel Turbo Boost 2.0 and Turbo Boost Max 3.0 |
| Memory |
| DIMM Slots |
4x DDR5, dual channel |
| Max Capacity |
256GB |
| Speeds |
Up to 8666+ MT/s (OC); varies by CPU and memory |
| Memory Profiles |
Intel XMP, ASUS AEMP III |
| Expansion Slots |
| PCIe x16 (CPU) |
1x PCIe 5.0 x16 |
| PCIe x16 (Chipset) |
1x PCIe 4.0 x16 slot (x4 mode) |
| PCIe x1 (Chipset) |
1x PCIe 4.0 x1 |
| Storage |
| M.2_1 |
PCIe 5.0 x4 |
| M.2_2 |
PCIe 4.0 x4 |
| SATA |
4x SATA 6Gb/s ports |
| RAID |
Intel Rapid Storage Technology, SATA RAID 0/1/5/10 |
| Networking |
| LAN |
1x Realtek 2.5Gb Ethernet, ASUS LANGuard |
| Wi-Fi |
Wi-Fi 6E (802.11ax), 2x2, 2.4/5/6GHz |
| Bluetooth |
Bluetooth 5.3 |
| Manageability |
WOL by PME, PXE |
| Audio |
| Codec |
Realtek 7.1 Surround Sound High Definition Audio CODEC |
| Playback |
Up to 24-bit/192kHz |
| Features |
Audio shielding, premium audio capacitors, dedicated audio PCB layers |
| Rear I/O |
| USB 20Gbps |
1x Type-C with DP Alt Mode (up to 4K@120Hz) |
| USB 10Gbps |
1x Type-A |
| USB 5Gbps |
2x Type-A |
| USB 2.0 |
4x Type-A |
| Video |
2x DisplayPort (max 4K@60Hz), 1x HDMI (4K@60Hz) |
| Network |
1x 2.5Gb Ethernet port, Wi-Fi module |
| Audio |
3x audio jacks |
| Internal Connectors |
| Fan Headers |
1x CPU fan, 1x CPU OPT fan, 1x AIO pump, 3x chassis fan (all 4-pin) |
| RGB Headers |
3x Addressable Gen 2 headers, 1x Aura RGB header |
| Front USB |
1x USB 10Gbps Type-C connector, 1x USB 5Gbps header (2 ports), 1x USB 2.0 header (2 ports) |
| Other |
Thunderbolt (USB4) header, Clear CMOS, chassis intrusion, COM port, front panel audio, S/PDIF out, SPI TPM, front system panel headers |
| Power |
| VRM |
ASUS DIGI+ VRM |
| Main Power |
1x 24-pin |
| CPU Power |
1x 8-pin +12V |
| BIOS & Features |
| BIOS |
256 (128+128) Mb Flash ROM, UEFI AMI BIOS |
| BIOS Features |
CrashFree BIOS, EZ Flash, UEFI EZ Mode |
| Protection |
ASUS 5X PROTECTION III: DIGI+ VRM, ESD Guards, LANGuard, overvoltage protection, SafeSlot |
| Design |
ASUS Q-Design, ASUS Thermal Solution with heatsinks, ASUS EZ DIY |
| Lighting |
Aura Sync RGB |
| Dimensions |
| Form Factor |
Micro-ATX |
| Size |
24.4 x 24.4 cm (9.6 x 9.6 in) |