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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

  • CPU Socket TypeAM5
  • CPU TypeAMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Deskt
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardSupports up to 8000+MT/s(OC)
  • Maximum Memory Supported256GB
  • 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.

Points forts

  • 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

Caractéristiques

BrandASUS
SeriesROG STRIX
ModelROG STRIX X870E-H S MIKU+R7 9850X3D
Part NumberROG STRIX X870E-H S MIKU+R7 9850X3D
CPU Socket TypeAM5
CPU TypeAMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardSupports up to 8000+MT/s(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
PCI Express 5.0 x16AMD 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)**
PCI Express 4.0 x161 x PCIe 4.0 x16 slot (supports x4 mode)
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Supports 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 RAIDAMD 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 ChipsetRealtek 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
Audio Channels7.1 Channels
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x USB4 (40Gbps) ports(2 x USB Type-C)
4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C with up to 30W PD/PPS Fast-charge)
6 x USB 5Gbps ports (6 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 5Gb Ethernet
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
5 x 4-pin Chassis Fan headers
Miscellaneous
3 x Addressable RGB Gen 2 headers
1 x Chassis Intrusion header
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x Start button
1 x 10-1 pin Front Panel System header
1 x Thermal Sensor header
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
ASUS AI Advisor
ASUS DriverHub
- AIDA64 Extreme (60 days free trial)
- HWiNFO
ASUS GlideX
USB Wattage Watcher
TurboV Core
Adobe Creative Cloud (Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
AI Cache Boost
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
FlexKey
Windows 11Supported
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- PCIe Slot Q-Release
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
-Addressable RGB Gen 2 headers

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Questions sur cet article

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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