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Black ATX motherboard with silver heatsinks and CPU in socket

MSI

MSI MEG X870E ACE MAX + Ryzen 9 9950X Combo AMD Motherboard

SKU CH-7RJV-4ZYYF

ATX AM5 motherboard paired with a 16-core Ryzen 9 9950X CPU, 18+2+1 DRPS 110A SPS VRM, 64MB BIOS, DDR5 up to 9000 MT/s OC, five M.2 slots and 10G plus 5G LAN

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • South bridgeAMD X870E
  • Memory slot count4 × 288pin (DDR5)
  • Max supported RAM256 GB

CPU +Ryzen 9 9950X

  • 16-core 32-thread Ryzen 9 9950X hits 5.7 GHz max boost
  • 64 MB BIOS ROM enables next-gen CPU compatibility
  • 18+2+1 phase 110 A SPS VRM with OC Engine for stable overclocks
  • DDR5 memory support up to 9000+ MT/s OC across four slots
  • 10 GbE plus 5 GbE LAN delivers high-throughput networking

X870E Combo for 16-Core Ryzen

The bundle pairs an MSI MEG X870E ACE MAX motherboard with an AMD Ryzen 9 9950X processor. The CPU delivers 16 cores and 32 threads based on the Zen 5 architecture with a 5.7 GHz max boost clock. The board uses the AM5 socket and X870E chipset to support Ryzen 9000, 8000 and 7000 series processors. Four DDR5 slots accept up to 256 GB of memory.

Sustained Load Power Delivery

An 18+2+1 DRPS design rated at 110 A SPS supplies the CPU through the Ultra Power+ solution. The OC Engine clock generator works with this VRM to maintain high frequencies during extended workloads. A 64 MB BIOS ROM provides headroom for future microcode updates that improve stability under long-duration stress. The Frozr thermal design uses a wavy fin array, direct-touch heat pipes and double-sided M.2 shields to dissipate heat continuously.

Connectivity and Mounting Practicality

Two PCIe 5.0 x16 slots and two PCIe 4.0 x16 slots handle graphics and add-in cards while five M.2 sockets support both PCIe 5.0 x4 and 4.0 x4 drives. Four SATA 6 Gb/s ports with RAID 0, 1, 10 round out storage options. Networking combines a 10 G LAN port with a 5 G LAN port for high-throughput wired connections. The Realtek ALC4082 audio codec drives onboard sound and a metal backplate reinforces the board during installation.

How it compares

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

Price $1,132.99
Pricier than about 91% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMEG
Model nameMEG X870E ACE MAX+R9 9950X
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots5 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
SATA and RAID support0/1/10
Audio & video
Audio chipRealtek ALC4082
Sound channels7.1 Channels
Connectivity
Ethernet controllerMarvell AQC113CS, Realtek 8126
Second LAN controllerRealtek 8126
Maximum network speed10 Gbit/s + 5 Gbit/s
Wi-Fi standardWiFi IEEE 802.11 a / b / g / n / ac / ax / be
Bluetooth supportYes
Ports & slots
PCIe 5.0 x16 slots2 x PCI Express 5.0 x16
PCIe 4.0 x16 slots2 x PCI Express 4.0 x16
PCIe x16 slots2 x PCI Express x16
PCIe x4 slots1 x PCI Express x4
Additional slots1 x M.2 (Key-E)
Rear panel ports9 x USB 10 Gbit/s Type-A, 2 x USB 10 Gbit/s Type-C, 2 x USB 40 Gbit/s Type-C, 1 x HDMI, 1 × 10G LAN, 1 × 5G LAN, 1 x Optical S/PDIF-Out
Video connectorsHDMI + 2 x Display Port
HDMI ports1 x HDMI
Ethernet port2 x RJ45
DisplayPort connectors2 x DisplayPort
USB 3.1 ports11 x USB 3.1
USB 3.0 ports4 x USB 3.0
USB 2.0 ports4 x USB 2.0
USB-C ports2 x USB Type-C® port, with USB 40 Gbit/s support; 2 x USB Type-C® port, with USB 10 Gbit/s support; 1 x USB Type-C® port, with USB 20 Gbit/s support
S/PDIF output1 x Optical
Audio jacks5 Ports
Onboard USB headers4 x USB 3.2 + 4 x USB 2.0 + 1 x USB Type-C header, with USB 3.2 Gen 2 × 2
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length243.84 mm × 304.8 mm
Compatibility
Windows 11 supportSupported
More details
South bridgeAMD X870E
S-videoNo
LightingRGB

Other versions of this model

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Questions about this item

How loud or hot does the 110A SPS VRM and Frozr heatsink get when the Ryzen 9 9950X runs all day?

The 18+2+1 DRPS power stage and Frozr design with wavy fins, cross heat-pipes and double-sided M.2 shields are built to keep the 110A VRM cool under sustained 16-core loads.

What memory kit must I already own to boot this combo?

You need DDR5 modules; the board has four 288-pin slots supporting up to 256 GB dual-channel and speeds up to 9000+ MT/s when overclocked.

Can I keep my PCIe 4.0 graphics card and SATA SSDs with this X870E board?

Yes, the board provides two PCIe 5.0 x16 slots, two PCIe 4.0 x16 slots and four SATA 6Gb/s ports so existing PCIe 4.0 GPUs and SATA drives work directly.

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