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ATX motherboard in turquoise and white with integrated I/O shield and large heatsinks, plus boxed Ryzen CPU

ASUS

ASUS ROG STRIX X870E-H S MIKU AMD motherboard & Ryzen 9 9900X3D CPU Combo

SKU CH-74H4-BPFQ0

ATX AM5 board with Ryzen 9 9900X3D, DDR5 to 8000 MT/s, dual USB4, Wi‑Fi 7, 5 Gbps LAN, four M.2 slots and 16+2+1 80A power stages

  • 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

model ROG STRIX X870E-H S MIKU

+CPU +R9 9900X3D

  • Ready for advanced AI PCs with powerful connectivity
  • AMD AM5 socket supports Ryzen 9000, 8000 and 7000 series processors
  • Intelligent control via AI Advisor, AI Cache Boost, AI Cooling II and AI Networking II
  • Robust 16+2+1 power solution rated 80A per stage with dual ProCool II connectors
  • Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots with substantial cooling

AM5 Platform for Ryzen 9000

This combo pairs an ASUS ROG STRIX X870E-H S MIKU motherboard with a Ryzen 9 9900X3D processor on the AM5 socket. The board supports Ryzen 9000, 8000 and 7000 series CPUs with four DDR5 slots up to 256GB. It targets builders who want high core counts and large cache for gaming and AI workloads.

Upgrade Path from Older AM5

Moving from a Ryzen 7000 chip to the 9900X3D adds 128MB of L3 cache and Zen 5 architecture on a 4nm process. The X870E chipset unlocks PCIe 5.0 on the primary x16 slot and the first M.2, while 7000 series CPUs run that slot at PCIe 4.0. The jump is worth it when you need the extra cache and faster storage lanes.

Straightforward ATX Install

Standard ATX mounting fits most cases and the board uses dual ProCool II power connectors for the 16+2+1 phase VRM rated at 80A per stage. Heatsinks cover the VRM and all four M.2 slots with thermal pads pre-applied. Common issues are forgetting the CPU power cables or not seating DDR5 modules fully until the clips click.

Points forts

  • Ready for advanced AI PCs with powerful connectivity
  • AMD AM5 socket supports Ryzen 9000, 8000 and 7000 series processors
  • Intelligent control via AI Advisor, AI Cache Boost, AI Cooling II and AI Networking II
  • Robust 16+2+1 power solution rated 80A per stage with dual ProCool II connectors
  • Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots with substantial cooling

Caractéristiques

BrandASUS
ModelROG STRIX X870E-H S MIKU+(R9 9900X3D)
Part NumberROG STRIX X870E-H S MIKU+(R9 9900X3D)
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

What case and power connectors does the ASUS ROG STRIX X870E-H S MIKU need?

The board uses the standard ATX form factor and requires dual ProCool II power connectors for the 16+2+1 power solution rated at 80A per stage.

Which step is often missed when installing the Ryzen 9 9900X3D into the AM5 socket?

Many builders forget to update the BIOS before fitting the 120W Zen 5 CPU; without the latest firmware the system will not post.

What cooling maintenance will the motherboard's M.2 heatsinks and VRM thermal pads require later?

The massive heatsinks with integrated I/O cover and high-conductivity thermal pads should be checked for dust buildup and pad degradation every 12 months.

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