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ASUS PRIME B850-PLUS ATX motherboard with Ryzen 9 9950X CPU in AM5 socket

ASUS

ASUS PRIME B850-PLUS & Ryzen 9 9950X AMD motherboard CPU combo

SKU CH-3YCS-T0D6C

A motherboard and CPU combo pairing a B850 ATX board with a 16-core Ryzen 9 9950X, offering DDR5 memory support, one PCIe 5.0 and two PCIe 4.0 M.2 slots, 2.5Gb Ethernet, and a 12+2 phase power design

  • CPU socketAM5

Motherboard PRIME B850-PLUS

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CPU + R9 9950X

  • 16-core, 32-thread Ryzen 9 9950X delivers high multi-threaded performance
  • 12+2 phase power design with Digi+ VRM ensures stable CPU power delivery
  • AEMP optimises DDR5 speeds and timings on non-EXPO kits
  • One PCIe 5.0 M.2 slot plus two PCIe 4.0 slots enable fast storage
  • 5 Gb Ethernet with LANGuard provides reliable wired networking

Combo Overview

This package pairs the ASUS PRIME B850-PLUS motherboard with an AMD Ryzen 9 9950X processor. The board uses the AM5 socket and DDR5 memory. The CPU delivers 16 cores and 32 threads based on Zen 5 architecture with a 5.7 GHz max boost clock. It targets builders who want a high-end processor and a feature-rich board in one purchase.

Suitability

The combo suits enthusiasts building workstations or high-performance gaming rigs that need multi-threaded power and fast storage. The 12+2 phase VRM and PCIe 5.0 M.2 slot support demanding workloads. Builders on tighter budgets or those needing integrated graphics should evaluate other options.

DDR5 Headroom

ASUS Enhanced Memory Profile (AEMP) optimises DDR5 speeds and timings even with non-EXPO kits. The processor supports DDR5-5600 natively. This combination gives headroom for memory tuning without requiring specialised modules.

How it compares

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

Price $781.99
Pricier than about 78% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B850-PLUS+R9 9950X
Processor
CPU socketAM5

Other versions of this model

5 more in the same range

Questions about this item

Will the 16-core Ryzen 9 9950X run stably on the PRIME B850-PLUS power delivery?

The board uses a 12+2 phase Digi+ VRM design rated for Ryzen 9000 series CPUs, so the 9950X receives clean power at stock or overclocked speeds.

Which M.2 slot gives the highest throughput for a PCIe 5.0 SSD?

The top M.2 slot runs at PCIe 5.0 x4, delivering up to 128 Gbps, while the other two slots operate at PCIe 4.0 x4.

Do I need EXPO-certified DDR5 to reach high memory speeds on this combo?

ASUS Enhanced Memory Profile (AEMP) optimises timings and frequency even on standard DDR5-5600 kits, so EXPO memory is not required.

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