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Deal.ai › ASUS › Motherboards
ASUS
ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo

ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo

Best price now

$659.99at NeweggChecked 15 h ago

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Price facts

  • Last seen at $659.99 at Newegg on Nov 10.

Our take on the ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo

A bundle pairing ASUS's entry-level PRIME B850M-K micro-ATX board with AMD's 8-core Ryzen 7 9700X. The board covers the basics for AM5: DDR5, a PCIe x16 slot, M.2 storage and 2.5G Ethernet, but it is a budget board with modest power delivery and few extras. The 9700X is a strong 8-core gaming and productivity chip that runs cooler and draws less power than the previous generation. Suits a first AM5 build or a compact gaming PC where you would rather spend on the CPU than the board; rivals at this level add Wi-Fi, more M.2 slots and beefier VRMs.

Best forFirst-time AM5 buildersCompact micro-ATX gaming PCsGamers who want 8 fast cores on a budget boardOffice and light-creation builds
Pros
  • 8 Zen 5 cores handle gaming and multitasking well
  • 9700X runs cooler and draws less power than the 7700X
  • Micro-ATX board fits smaller cases
  • DDR5 and PCIe x16 give a current upgrade path
  • 2.5G Ethernet onboard
  • Bundle saves matching a board to the CPU
Cons
  • Budget VRMs limit heavy overclocking and long all-core loads
  • No Wi-Fi or Bluetooth built in
  • Fewer M.2 slots and USB ports than mid-range boards
  • Basic audio codec and no premium extras
  • 9700X ships without a cooler

ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo prices at every store

  • NeweggNew

    In stock

    $659.99Free shippingChecked 15 h ago
    Visit Newegg

Store links may earn us a commission. Price via Klarna.

ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo price history

Lowest price we've seen: $659.99 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.

What reviewers say

Owners of the PRIME B850M-K call it a solid, no-frills board that boots reliably and is easy to set up, though they note the light power delivery and lack of Wi-Fi. The Ryzen 7 9700X is widely praised for gaming performance and efficiency, with complaints focused on its launch pricing and the missing cooler.

What people mention
  • PerformancePraisedThe 9700X handles games and everyday multitasking smoothly with 8 Zen 5 cores.
  • Power drawPraisedOwners note the 9700X runs cooler and uses less power than the 7700X it replaces.
  • Power deliveryCriticisedThe board's basic VRMs are seen as limiting for heavy overclocking or long all-core workloads.
  • ConnectivityCriticisedBuyers miss built-in Wi-Fi and want more M.2 slots and USB ports.
  • SetupPraisedBuilders describe the BIOS and EXPO memory setup as straightforward for a first build.
  • CoolerCriticisedThe 9700X comes without a stock cooler, so buyers must budget for one.

Specifications

Connections
USB-ASource
M.2
YesSource
Form Factor
Micro-ATXSource
Processor
AMDSource
Chipset

Questions and answers

Do I need a separate cooler for the Ryzen 7 9700X?
Yes. The 9700X ships without a stock cooler, so add a tower air cooler or a 240mm AIO. A modest air cooler is enough at its 65W default.
Does this board have Wi-Fi?
No. The PRIME B850M-K has wired 2.5G Ethernet only. Add a PCIe Wi-Fi card or a USB adapter if you need wireless.
Is the combo worth it over buying separately?
The bundle simplifies matching an AM5 board to the CPU and usually undercuts buying the two apart. Check that the board's feature set covers what you need before committing.
Can I overclock on this board?
You can enable EXPO and PBO, but the board's power delivery is basic. Keep to light tuning rather than sustained all-core overclocks.
What memory should I pair with it?
Use a 2x16GB DDR5-6000 EXPO kit. That is the sweet spot for Ryzen 9000 and is well supported by this board.
Will it fit my case?
It is micro-ATX, so it fits micro-ATX and standard ATX cases. Check clearance for your GPU and cooler in smaller cases.
Where is the ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo cheapest?
At Newegg, for $659.99, as of our latest check.

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Stores we've priced the ASUS PRIME B850M-K Motherboard Ryzen 7 9700X CPU Combo at

  • Newegg deals and prices

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AMD B850
Source
Internal Connections
M.2Source
Expansion Slots
PCIe x16Source
Integrated Network Card
YesSource
Socket AMD
Socket AM5Source
Memory Type
DDR5Source
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