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ATX motherboard in black with silver heatsinks, AM5 socket, four DDR5 slots, PCIe x16 and M.2 slots, 2.5Gb LAN, HDMI and DisplayPort

ASUS

ASUS PRIME B650-PLUS + Ryzen 9 9950X AMD motherboard & CPU combo

SKU CH-NN41-V3GZF

An AM5 motherboard and 16-core Ryzen 9 9950X combo with DDR5 support up to 6400 MT/s, PCIe 5.0 M.2, 2.5 Gb LAN and BIOS FlashBack

  • ProcessorSupports AMD Ryzen 7000 Series Desktop Processors* * Refer t
  • ChipsetAMD B650
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 6400+(OC) / 6200(OC) / 6000(OC) / 5800(OC) / 5600(OC) /

Model PRIME B650-PLUS

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CPU +Ryzen 9 9950X

  • 16 cores and 32 threads deliver high multi-thread performance
  • 7 GHz max boost clock enables fast single-thread speeds
  • DDR5 memory support up to 6400 MT/s provides high bandwidth
  • PCIe 5.0 M.2 slot allows ultrafast storage throughput
  • 5 Gb Ethernet and USB4 support give fast wired connectivity

Ready for Ryzen 9000 series builds

This combo pairs an ASUS PRIME B650-PLUS motherboard with a Ryzen 9 9950X processor. The board uses the AMD B650 chipset on an ATX form factor with an AM5 socket. It supports DDR5 memory up to 256GB across four slots and includes a PCIe 5.0 M.2 slot for high-speed storage. 2.5Gb LAN and USB4 support handle connectivity.

Suits multithreaded workloads

The 16-core 32-thread CPU reaches 5.7 GHz max boost and offers 64MB L3 cache. Builders who need strong single-thread speed and heavy parallel throughput will benefit. Users planning lighter tasks or tighter budgets should consider 8-core alternatives. A BIOS update may be required for 9000 series operation.

16-core 32-thread Zen 5 CPU included

The processor delivers 16 cores and 32 processing threads based on the Zen 5 architecture. This core count is the deciding factor for rendering, compilation and scientific workloads that scale across many threads. If your software does not use high thread counts, a lower-core model may be more cost-effective.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $861.99
Pricier than about 81% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product linePrime
Model namePRIME B650-PLUS+R9 9950X
Processor
ProcessorSupports AMD Ryzen 7000 Series Desktop Processors*
* Refer to www.asus.com for CPU support list.
CPU socketAM5
ChipsetAMD B650
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsAMD Ryzen 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
SATA and RAID supportAMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10
Audio & video
Sound channelsRealtek 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
- Premium audio capacitors
- Dedicated audio PCB layers
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardVertical M.2 slot only (Key E, PCIe)*
* Wi-Fi module is sold separately.
Ports & slots
PCIe x1 slots2 x PCIe 4.0 x1 slots
Onboard USB headers1 x USB 3.2 Gen 1 connector (supports USB Type-C )
1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
1 × 8-pin +12 V Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported

Other versions of this model

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Questions about this item

Will the board run the included 9950X out of the box?

The CPU is a 16 core 32 thread part based on Zen 5 with a 5.7 GHz max boost. A BIOS update may be required for 9000 series processors, but the board includes USB BIOS FlashBack so you can update without a memory or CPU installed.

What DDR5 speeds can I actually use with this CPU?

The 9950X supports DDR5 5600 natively. The motherboard lists OC profiles up to 6400, but supported data rates depend on the specific memory kit and CPU configuration.

How many M.2 drives can I fit and at what speeds?

Two M.2 slots accept 2242, 2260, 2280 and 22110 form factors. The first runs at PCIe 5.0 x4 from the CPU, the second at PCIe 4.0 x4 from the chipset.

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