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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 Socket TypeAM5
  • ChipsetAMD X870E
  • South BridgeAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel

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.

Highlights

  • 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

Specifications

BrandMSI
SeriesMEG
ModelMEG X870E ACE MAX+R9 9950X
CPU Socket TypeAM5
ChipsetAMD X870E
South BridgeAMD X870E
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 5.0 x162 x PCI Express 5.0 x16
PCI Express 4.0 x162 x PCI Express 4.0 x16
PCI Express x162 x PCI Express x16
PCI Express x41 x PCI Express x4
Other Slots1 x M.2 (Key-E)
Serial ATA (SATA)4 x SATA 6Gb/s
M.25 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
SATA RAID0/1/10
Audio ChipsetRealtek ALC4082
Audio Channels7.1 Channels
LAN ChipsetMarvell AQC113CS, Realtek 8126
Second LAN ChipsetRealtek 8126
Max LAN Speed10Gbps + 5Gbps
Wireless LANWiFi IEEE 802.11 a / b / g / n / ac / ax / be
BluetoothYes
Back I/O Ports9 x USB 10Gbps Type-A, 2 x USB 10Gbps Type-C, 2 x USB 40Gbps Type-C, 1 x HDMI, 1 x 10G LAN, 1 x 5G LAN, 1 x Optical S/PDIF-Out
Video PortsHDMI + 2 x Display Port
S-VideoNo
HDMI1 x HDMI
RJ452 x RJ45
DisplayPort2 x DisplayPort
USB 3.111 x USB 3.1
USB 3.04 x USB 3.0
USB 1.1/2.04 x USB 2.0
USB Type-C2 x USB Type-C® port, with USB 40Gbps support; 2 x USB Type-C® port, with USB 10Gbps support; 1 x USB Type-C® port, with USB 20Gbps support
S/PDIF Out1 x Optical
Audio Ports5 Ports
Onboard USB4 x USB 3.2 + 4 x USB 2.0 + 1 x USB Type-C header, with USB 3.2 Gen 2x2
Form FactorATX
LED LightingRGB
Dimensions (W x L)243.84mm x 304.8mm
Power Pin24 Pin
Windows 11Supported

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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