ASUS PRIME B860M-A WIFI-CSM Intel motherboard
- LGA 1851
- Support Intel® Core…
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ASUS
mATX Intel B860 board with LGA 1851 socket, 12+2+1 80A power stages, four DDR5 slots up to 8800 MT/s, one PCIe 5.0 M.2 and two PCIe 4.0 M.2 slots, Wi-Fi 7, 2.5G LAN.
Option TUF GAMING B860M-PLUS WIFI
Struck-through versions exist but are not stocked here.
This micro-ATX board uses the Intel B860 chipset and LGA 1851 socket to support Intel Core Ultra Processors (Series 2). It targets builders who want a compact platform for AI workloads and gaming. Four DDR5 slots accept up to 192 GB of memory running at 8800+ MT/s with XMP 3.0 profiles.
PCIe Slot Q-Release, M.2 Q-Latch and Q-Antenna let you install graphics cards, up to three M.2 drives and the Wi-Fi 7 antenna without tools. A pre-mounted I/O shield, Q-Dashboard diagnostics and BIOS FlashBack reduce setup steps. The rear USB 20Gbps Type-C port adds DisplayPort Alt Mode for direct monitor connection.
Q-LED indicators show CPU, memory, graphics and boot status at a glance. Fan Xpert 4 controls hybrid fan headers for balanced cooling. Large VRM, M.2 and PCH heatsinks keep temperatures in check. The 8+8 pin ProCool connectors and 80A DrMOS stages deliver stable power for 12+2+1 phase operation.
| Brand | ASUS |
|---|---|
| Model | TUF GAMING B860M-PLUS WIFI |
| Part Number | 90MB1JV0-M0AAY0 |
| CPU Socket Type | LGA 1851 |
| CPU Type | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel B860 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 8800+ MT/s (OC) |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | Intel XMP 3.0 |
| Memory Feature | Support up to 8800+MT/s (OC), Non-ECC,Un-buffered ,Clocked Unbuffered DIMM (CUDIMM)* Dual Channel Memory Architecture DIMM Fit Supports Intel Extreme Memory Profile (XMP) memory module ASUS Enhanced Memory Profile III(AEMPIII) * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. |
| PCI Express 5.0 x16 | Intel Core Ultra Processors(series 2) 1 x PCIe 5.0 x16 slot |
| PCI Express x4 | Intel B860 Chipset 1 x PCIe 4.0 x4 slot |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | Intel Core Ultra Processors(series 2)* M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) Intel B860 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) |
| SATA RAID | * Intel Rapid Storage Technology supports SATA RAID 0/1/5/10. |
| Audio Channels | Realtek 7.1 Surround Sound High Definition Audio CODEC - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Rear optical S/PDIF out port - Premium audio capacitors - Dedicated audio PCB layers |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 1 x USB 20Gbps port (1 x USB Type-C with DP Alt mode) 2 x USB 10Gbps ports (2 x Type-A) 4 x USB 5Gbps ports (4 x Type-A) 1 x USB 2.0 port (1 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi Module 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port |
| Onboard USB | 1 x USB 10Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 1 x USB 2.0 header supports 2 additional USB 2.0 ports |
| Other Connectors | Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x Front panel audio header (F_AUDIO) 1 x 10-1 pin Front System Panel header 1 x Thunderbolt (USB4) header |
| BIOS Feature | 2 x 128 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software Armoury Crate - AURA Creator - AURA Sync - Fan Xpert 2+ - Power Saving ASUS DriverHub ASUS GlideX TurboV Core TUF GAMING CPU-Z DTS Audio Processing Norton 360 for Gamers (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey NPU Boost |
| Windows 11 | Windows 11 |
| Form Factor | Micro ATX |
| Dimensions (W x L) | 9.6" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connectors |
| Features | ASUS TUF PROTECTION - DIGI+ VRM (- Digital power design with DrMOS) - ESD Guards - TUF LANGuard - Overvoltage Protection - SafeSlot - Stainless-steel back I/O ASUS Q-Design - M.2 Q-Latch - PCIe Slot Q-Release - Q-Antenna - Q-Dashboard - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) ASUS Thermal Solution - M.2 heatsinks - VRM heatsink design ASUS EZ DIY - CPU Socket lever protector - ProCool - Pre-mounted I/O shield - SafeDIMM AURA Sync - Addressable Gen 2 headers |
| Package Contents | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 2 x M.2 Rubber Packages 1 x TUF Gaming sticker 1 x Screw package for M.2 SSD Documentation 1 x Quick start guide |
| Shipping weight | 1.66 kg |
| Package size | 279 × 279 × 76 mm |
Other versions of this model
Same family, different memory, cooler or clock — compare before you commit.
The large VRM heatsinks are passive with no moving parts, so they require no scheduled maintenance or replacement under normal use.
The 80A per-stage rating is the ceiling; VRM temperature will reach its limit before the current rating is exceeded.
Passive VRM, M.2 and PCH heatsinks plus Fan Xpert 4 controlled chassis fans keep temperatures low and noise minimal during continuous operation.
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