ASUS ROG STRIX B850-A GAMING WIFI S AMD motherboard & Ryzen 9 9950X3D CPU combo
- AM5
- AMD B850
ASUS
A motherboard and CPU combo pairing a B850 mATX board with 14+2+1 80A DrMOS power, PCIe 5.0 x16, Wi-Fi 6E, 2.5Gb LAN, USB 20Gbps Type-C and three M.2 slots with a 16-core Ryzen 9 9950X3D featuring
Motherboard TUF GAMING B850M-PLUS WIFI
CPU + Ryzen 9 9950X3D
This bundle pairs an ASUS TUF Gaming B850M-Plus WiFi motherboard with an AMD Ryzen 9 9950X3D processor. The board uses the AMD B850 chipset on an AM5 socket in a micro-ATX layout. It delivers a 14+2+1 80A DrMOS power design, four DDR5 slots supporting up to 192GB, and a 170W CPU ready for advanced AI workloads.
The combination suits builders who want a compact board with strong VRM cooling, PCIe 5.0 graphics and storage, Wi-Fi 6E, and 2.5Gb LAN. The 128MB L3 cache on the CPU benefits cache-sensitive titles. Users needing more than four memory slots, a full-size ATX form factor, or a lower-power processor should consider other options.
The motherboard provides one PCIe 5.0 x16 slot for graphics and one PCIe 5.0 M.2 2280 slot for the fastest SSDs. Two additional M.2 sockets run at PCIe 4.0 speeds. If your GPU or primary drive requires PCIe 5.0 bandwidth in a micro-ATX chassis, this board meets that requirement; otherwise a B850 board without 5.0 M.2 may suffice.
| Brand | ASUS |
|---|---|
| Model | TUF GAMING B850M-PLUS WIFI+R9 9950X3D |
| CPU Socket Type | AM5 |
| Chipset | AMD B850 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Up to 8000+MT/s (OC) |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| Memory Feature | Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO) ASUS Enhanced Memory Profile (AEMP) |
| PCI Express 5.0 x16 | AMD Ryzen 9000 & 7000 Series Desktop Processors 1 x PCIe 5.0 x16 slot (supports x16 mode) |
| PCI Express 4.0 x16 | AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode) |
| PCI Express x1 | AMD B850 Chipset 1 x PCIe 4.0 x1 slot |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | AMD Ryzen 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) AMD Ryzen 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)** AMD B850 Chipset M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) |
| SATA RAID | AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. *RAID 5 Function is only supported by AMD Ryzen 9000 series CPU. |
| Audio Chipset | Realtek ALC1220P |
| Audio Channels | Realtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC - Impedance sense for front and rear headphone outputs - Internal audio Amplifier to enhance the highest quality sound for headphone and speakers - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in) - Supports up to 32-Bit/192 kHz playback* Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers - Audio cover - Unique de-pop circuit * Due to limitations in HDA bandwidth, 32-Bit/192 |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.3 |
| Back I/O Ports | 1 x USB 20Gbps port (1 x USB Type-C) 3 x USB 10Gbps ports (3 x Type-A) 4 x USB 5Gbps ports (4 x Type-A) 4 x USB 2.0 ports (4 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 BIOS FlashBack button |
| Onboard USB | 1 x USB 10Gbps connector (supports USB Type-C) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 3 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 COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x 10-1 pin Front System Panel header |
| 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 |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Software | ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 4 - 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 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey |
| Windows 11 | Supported |
| 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 heatsink - VRM heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED - ProCool - Pre-mounted I/O shield - SafeDIMM Aura Sync - Addressable Gen 2 headers |
| Package Contents | 1 x AMD Ryzen 9 9950X3D CPU 1 x Shin-Etsu X-23-7868-2D (1.8g) Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x TUF GAMING sticker 2 x M.2 rubber packages 1 x Screw package for M.2 SSD Documentation 1 x Quick start guide |
其他版本
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Yes, the CPU uses the AM5 socket which retains the same cooler mounting holes as previous AM5 and AM4 designs, so existing compatible coolers will fit.
The 14+2+1 80A DrMOS stages and 8+8 pin ProCool connectors are designed to deliver stable current for high-wattage processors like the 9950X3D.
The board supports up to 192 GB across four slots with EXPO and AEMP profiles, but maximum stable frequency with all slots populated depends on the memory kit and CPU memory controller.
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