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ATX motherboard in turquoise and white Hatsune Miku theme with large heatsinks and CPU installed

ASUS

ASUS ROG STRIX X870E-H S MIKU AMD motherboard & Ryzen 7 9850X3D CPU combo

SKU CH-CKP7-F3MHJ

A motherboard and CPU combo pairing an X870E ATX board with dual USB4 and Wi-Fi 7 alongside an 8-core Ryzen 7 9850X3D processor featuring second-generation 3D V-Cache

  • ProcessorAMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Deskt
  • ChipsetAMD X870E
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8000+MT/s(OC)

Model ROG STRIX X870E-H S MIKU

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CPU + Ryzen 7 9850X3D

  • AM5 socket ready for Ryzen 9000, 8000 and 7000 series processors
  • 16+2+1 power stages rated 80A with dual ProCool II connectors
  • Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots with substantial cooling
  • Dual USB4 Type-C ports plus USB 20Gbps front-panel connector
  • Ryzen 7 9850X3D with 2nd-gen 3D V-Cache for lower latency gaming

Combo for Ryzen 9000 gaming

This ASUS ROG STRIX X870E-H S MIKU motherboard is paired with the AMD Ryzen 7 9850X3D processor. The board uses the AMD X870E chipset and AM5 socket, supporting Ryzen 9000, 8000 and 7000 series CPUs. Four 288-pin DDR5 slots accept up to 256GB of memory. The package targets enthusiasts who want a ready-to-build platform for high-frame-rate gaming.

Sustained load with 80A power stages

A 16+2+1 power solution rated for 80A per stage feeds the 8-core 16-thread CPU through dual ProCool II connectors. Alloy chokes and durable capacitors keep voltage stable during long sessions. Massive heatsinks with an integrated I/O cover and high-conductivity thermal pads dissipate heat from the VRM and M.2 slots. AI Cooling II adjusts fan curves in real time to maintain thermal headroom without excessive noise.

PCIe 5.0 and USB4 bandwidth limits

Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots share lanes with the primary graphics slot, so populating every drive reduces the GPU to x8 electrical. Dual USB4 Type-C ports and a USB 20Gbps front-panel connector deliver up to 20Gbps each, while a rear USB 10Gbps Type-C port adds 30W Power Delivery. The 5Gbps LAN and Wi-Fi 7 wireless cap real-world throughput well below the theoretical interface maximums.

How it compares

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

Price $1,170.99
Pricier than about 91% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG STRIX X870E-H S MIKU+R7 9850 × 3D
Part numberROG STRIX X870E-H S MIKU+R7 9850 × 3D
Processor
ProcessorAMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8000+MT/s(OC)
Max supported RAM256 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsSupports 4 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2280/22110 (supports PCIe 5.0 x4 mode)*
AMD Ryzen 8000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)
M.2_2 slot (Key M), type 2280/22110 (Not supports)**
AMD X870E Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
* M.2_2 shares bandwidth with PCIEX16(G5). When M.2_2 is occu
SATA and RAID supportAMD RAIDXpert2 Technology*
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio & video
Audio chipRealtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC*
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback*
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen 8000 Series Desktop Processors*
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
PCIe 4.0 x16 slots1 x PCIe 4.0 x16 slot (supports x4 mode)
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

How loud and hot does the 16+2+1 power stage rated for 80A per stage get under all-day load?

The board uses massive heatsinks with integrated I/O cover and high-conductivity thermal pads to dissipate heat from the 80A power stages, while AI Cooling II adjusts fan curves automatically to keep noise low during sustained workloads.

Which DDR5 memory kit must I already own to reach the 8000+ MT/s OC ceiling on the four 288-pin slots?

You need a DDR5 kit rated for 8000 MT/s or higher with EXPO or XMP profiles; the board supports up to 256 GB across four slots in dual-channel mode, and AEMP can optimise compatible modules that lack manual profiles.

Will my PCIe 4.0 graphics card and SATA SSDs run at full speed alongside the two PCIe 5.0 M.2 slots on this X870E board?

Yes — the primary PCIe 5.0 x16 slot runs at x16 with Ryzen 9000 and 7000 CPUs, a second PCIe 4.0 x16 slot provides x4 bandwidth, four SATA 6Gb/s ports remain active, and two additional PCIe 4.0 M.2 slots share chipset lanes without disabling the PCIe 5.0 M.2 slots.

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