ASUS
ASUS TUF GAMING B850M-PLUS & Ryzen 9 9950X3D AMD motherboard CPU combo
AM5 motherboard and 16-core Ryzen 9 9950X3D CPU combo with 128 MB L3 cache, DDR5 support to 256 GB, PCIe 5.0 x16 slot, dual M.2, 2.5 Gb LAN, WiFi 6E, USB 3.2 Gen2x2 Type-C at 20 Gbps.
- CPU Socket TypeAM5
Motherboard TUF GAMING B850M-PLUS
- ROG STRIX B850-G Gaming WiFi S
- ROG STRIX B850-A GAMING WIFI S
- ROG STRIX B850-I GAMING WIFI
- ROG STRIX B850-F GAMING WIFI
- ROG STRIX B850-E GAMING WIFI
- TUF GAMING B850M-PLUS WIFI
- TUF GAMING B850M-PLUS
- TUF GAMING B850M-E WIFI
- TUF GAMING B850 - PLUS WIFI
- TUF GAMING B850-E WIFI
- TUF GAMING B850-BTF WIFI W
- PRIME B850M-K
- PRIME B850M-A WIFI
- PRIME B850M-A
- PRIME B850-PLUS WIFI
Struck-through versions exist but are not stocked here.
CPU + Ryzen 9 9950X3D
- Ready for next-gen Ryzen with AM5 socket support for 9000, 8000 and 7000 series CPUs
- 16-core 9950X3D delivers 128 MB L3 cache for gaming and heavy workloads
- Dual M.2 slots with PCIe 5.0 x4 and 4.0 x4 give fast storage expansion
- 5 Gb LAN plus WiFi 6E provide high-speed wired and wireless networking
- 20 Gbps USB 3.2 Gen2x2 Type-C on rear I/O enables rapid peripheral transfers
Combo Contents
This package pairs the ASUS TUF GAMING B850M-PLUS motherboard with an AMD Ryzen 9 9950X3D processor. The board uses the AM5 socket and supports Ryzen 9000, 8000 and 7000 series CPUs. It provides two DDR5 DIMM slots with a maximum capacity of 256GB and includes AEMP optimisation plus EXPO support.
Build Suitability
The micro-ATX form factor suits compact gaming or workstation builds that need strong multi-threaded performance. Users requiring four memory slots or additional full-length PCIe expansion should consider a full-size ATX alternative instead.
Deciding Specification
The processor delivers 128MB of L3 cache and 16MB of L2 cache on a 170W TSMC 4nm Zen 5 die with integrated Radeon graphics. This cache configuration is the primary factor for workloads that benefit from large on-chip memory.
Highlights
- Ready for next-gen Ryzen with AM5 socket support for 9000, 8000 and 7000 series CPUs
- 16-core 9950X3D delivers 128 MB L3 cache for gaming and heavy workloads
- Dual M.2 slots with PCIe 5.0 x4 and 4.0 x4 give fast storage expansion
- 5 Gb LAN plus WiFi 6E provide high-speed wired and wireless networking
- 20 Gbps USB 3.2 Gen2x2 Type-C on rear I/O enables rapid peripheral transfers
Specifications
| Brand | ASUS |
|---|---|
| Model | TUF GAMING B850M-PLUS+R9 9950X3D |
| CPU Socket Type | AM5 |
Other versions of this model
5 more in the same range
Same family, different memory, cooler or clock — compare before you commit.
ASUS TUF GAMING B850M-PLUS WIFI AMD motherboard & Ryzen 5 9600X CPU combo
- AM5
- AMD B850
ASUS TUF GAMING B850M-PLUS AMD motherboard with Ryzen 5 9600X CPU
- AM5
ASUS TUF GAMING B850M-E WIFI + Ryzen 5 9600X AMD motherboard CPU combo
- AM5
ASUS PRIME B850M-A WIFI & Ryzen 5 9600X AMD motherboard CPU combo
- AM5
Questions about this item
Will the VRM heatsinks need any extra cooling for the 170W Ryzen 9 9950X3D?
The board includes dedicated VRM heatsinks plus CPU, OPT and AIO pump headers so you can add a water block or extra fans if sustained loads push thermals higher.
What limits the PCIe 5.0 x4 M.2 slot during long heavy writes?
The slot runs at PCIe 5.0 x4 speeds; thermal throttling of the drive itself is the first limit you will hit under sustained write workloads.
How loud does the chipset fan get when the 2.5Gb LAN and WiFi 6E run all day?
The B850 chipset is passively cooled, so only your CPU cooler and case fans contribute noise while the 2.5Gb LAN and WiFi 6E operate continuously.
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