StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › ASUS › Motherboards
ASUS
ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo

ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo

Best price now

$1,469.99at NeweggChecked 16 h ago

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Visit Newegg
ASUS discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $1,469.99 at Newegg on Nov 10.

Our take on the ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo

This is a bundle of the ASUS PRIME X870-P motherboard and an AMD Ryzen 9 9900X3D processor, both on the AM5 platform. The board is a mid-range X870 model with PCIe 5.0, DDR5 memory support and a straightforward PRIME layout, while the 9900X3D is a 12-core Zen 5 chip with 3D V-Cache aimed at gaming and mixed workloads. Buying the two together removes the guesswork over BIOS support and socket compatibility. Against pricier X870E boards it gives up some USB4 and lane count, and against cheaper B650 boards it adds PCIe 5.0 and newer connectivity. It suits builders who want a current-generation AMD platform without paying for flagship extras.

Best forGamers building a high-refresh AM5 systemFirst-time AM5 builders who want a matched CPU and boardMixed gaming and productivity usersBuyers who want PCIe 5.0 without flagship pricing
Pros
  • CPU and board are a known-compatible AM5 pair
  • PCIe 5.0 slot and M.2 for current graphics cards and SSDs
  • DDR5 support with room for fast memory kits
  • 12-core 9900X3D with 3D V-Cache handles games and heavy multitasking
  • PRIME layout is simple to build in, with clear headers and labels
Cons
  • X870-P is a mid-tier board, not a premium X870E with more lanes and USB4
  • 9900X3D runs warm under sustained all-core loads, so a strong cooler is needed
  • No integrated graphics worth gaming on; a discrete GPU is required
  • Fewer M.2 and SATA ports than larger boards in the same chipset family

ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo prices at every store

  • NeweggNew

    In stock

    $1,469.99Free shippingChecked 16 h ago
    Visit Newegg

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

ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo price history

Lowest price we've seen: $1,469.99 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.

What reviewers say

Owners of the PRIME X870-P describe a solid, no-frills board that boots cleanly with Ryzen 9000 chips and has sensible slot placement. The 9900X3D draws praise for gaming smoothness and multi-core headroom, with heat and cooler demands as the recurring caveat.

What people mention
  • ThermalsMixedThe 9900X3D runs hot in all-core work, and owners say a large air or liquid cooler is needed to keep clocks up.
  • Gaming performancePraisedThe 3D V-Cache chip delivers high and consistent frame rates in games, which is the main reason buyers pick this combo.
  • Build qualityPraisedThe PRIME board feels solid, with reinforced slots and clear labeling that make assembly straightforward.
  • ConnectivityCriticisedOwners note fewer USB4, M.2 and SATA options than premium X870E boards offer.
  • BIOS and setupPraisedThe board posts with Ryzen 9000 chips without fuss, and the BIOS menus are easy to navigate for memory tuning.
  • ValueMixedBuyers see the bundle as a sensible way into AM5, though the board's mid-tier feature set is the trade-off.

Specifications

Chipset
AMD X870Source
Processor
AMDSource
PCIe Version
5.0Source
Socket AMD
Socket AM5Source
Memory Type

Questions and answers

Does this combo work out of the box?
Yes. The PRIME X870-P ships with BIOS support for Ryzen 9000 series chips, so the 9900X3D should post without a BIOS update. Check the board's revision label if you buy an older stock unit.
Do I need a graphics card?
Yes for gaming. The 9900X3D has basic integrated graphics for display output, but you need a discrete GPU for real gaming or GPU-accelerated work.
What cooler does the 9900X3D need?
A strong dual-tower air cooler or a 240mm or larger liquid cooler. The chip's 3D V-Cache and 12 cores produce real heat under sustained loads.
How does the X870-P compare with X870E boards?
X870E boards add more PCIe lanes, extra M.2 and USB4 ports, and stronger VRMs. The X870-P covers PCIe 5.0 and DDR5 for most builds at a lower tier.
What memory should I pair with it?
A DDR5 kit rated for AMD EXPO, ideally two sticks rather than four. Two DIMMs are easier on the memory controller and reach higher speeds.
Is this a good upgrade from AM4?
Yes if you want PCIe 5.0, DDR5 and a current 12-core CPU. You will need new memory and likely a new cooler, since AM4 coolers may need a bracket.
Where is the ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo cheapest?
At Newegg, for $1,469.99, as of our latest check.

Stores we've priced the ASUS PRIME X870-P Motherboard Ryzen 9 9900X3D CPU Combo at

  • Newegg deals and prices

More from ASUS

  • A
    ASUS Prime X470-Pro AMD X470 Socket AM4 Motherboard
    ASUS Prime X470-Pro AMD X470 Socket AM4 Motherboard
  • A
    ASUS PRIME X870-P WIFI Motherboard AMD Ryzen 9 9900X3D CPU Combo
    ASUS PRIME X870-P WIFI Motherboard AMD Ryzen 9 9900X3D CPU Combo
  • A
    ASUS Prime Z690-P
    ASUS Prime Z690-P
  • A
    ASUS Prime B550M-A
    ASUS Prime B550M-A
DDR5
Source
Processor Support AMD
Ryzen 9Source
A
ASUS PRIME X870-P Motherboard Ryzen 7 9700X CPU Combo
ASUS PRIME X870-P Motherboard Ryzen 7 9700X CPU Combo
  • A
    ASUS Prime Z370-A LGA 1151 300 Series
    ASUS Prime Z370-A LGA 1151 300 Series
  • A
    ASUS PRIME X670-P WIFI
    ASUS PRIME X670-P WIFI
  • A
    ASUS PRIME X870-P Motherboard Ryzen 7 9850X3D CPU Combo
    ASUS PRIME X870-P Motherboard Ryzen 7 9850X3D CPU Combo
  • All ASUS deals and products →

    More motherboards

    • A
      ASUS PRIME X870-P WIFI Motherboard
      ASUS PRIME X870-P WIFI Motherboard
    • A
      ASUS Prime Z370-A II LGA 1151 ATX Motherboard
      ASUS Prime Z370-A II LGA 1151 ATX Motherboard
    • A
      ASUS PRIME Z270M-PLUS 1151
      ASUS PRIME Z270M-PLUS 1151
    • A
      ASUS PRIME Z590-P LGA
      ASUS PRIME Z590-P LGA
    • A
      ASUS PRIME Z790-P D4
      ASUS PRIME Z790-P D4
    • A
      ASUS Prime B860-plus-csm Intel B860 Lga 1851 ATX
      ASUS Prime B860-plus-csm Intel B860 Lga 1851 ATX
    • A
      ASUS Prime B860M-K Motherboard
      ASUS Prime B860M-K Motherboard
    • A
      ASUS Prime X670E-PRO WiFi Socket AM5 Ryzen 7000 ATX Motherboard
      ASUS Prime X670E-PRO WiFi Socket AM5 Ryzen 7000 ATX Motherboard