We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White ATX motherboard with teal accents, large heatsinks, Hatsune Miku graphics, and a Ryzen 9 9900X3D CPU in socket

ASUS

ASUS ROG STRIX X870E-H S MIKU motherboard & AMD Ryzen 9 9900X3D CPU Combo GAMING WIFI7

SKU CH-Y70N-E2SB5

An AMD AM5 motherboard and Ryzen 9 9900X3D processor bundle with DDR5 support, PCIe 5.0 M.2 slots, dual USB4 and Wi‑Fi 7 connectivity

  • 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

Show 6 more

CPU + Ryzen 9 9900X3D

  • Ready for AMD Ryzen 9000, 8000 and 7000 series desktop processors
  • AI Advisor, AI Cache Boost, AI Cooling II, AI Networking II and AEMP simplify setup and improve performance
  • 16+2+1 power solution rated for 80A per stage with dual ProCool II power connectors supports multi-core processors
  • Massive heatsinks with integrated I/O cover and high-conductivity thermal pads provide optimized thermal design
  • Two onboard PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots, all with substantial cooling solutions

Combo for AM5 builders

This bundle pairs a ROG STRIX X870E-H S MIKU motherboard with an AMD Ryzen 9 9900X3D processor. The board uses the AMD X870E chipset and an AM5 socket ready for Ryzen 9000, 8000 and 7000 series CPUs. It targets enthusiasts who want a matched platform for gaming and demanding AI workloads without selecting parts separately.

AI software and connectivity upgrades

ASUS AI Advisor, AI Cache Boost, AI Cooling II, AI Networking II and AEMP automate tuning, cooling and network priority. Dual USB4 Type-C ports, a USB 20Gbps front-panel connector and a rear USB 10Gbps Type-C with PD 3.0 up to 30W expand peripheral options. The 16+2+1 power stage design rated for 80A per stage supports the 120W CPU under sustained multi-core loads.

PCIe 5.0 and Wi-Fi 7 limits

Two onboard M.2 slots run at PCIe 5.0 x4 while two more run at PCIe 4.0 x4; the primary graphics slot operates at PCIe 5.0 x16 with Ryzen 9000 and 7000 processors but drops to PCIe 4.0 x8 or x4 with Ryzen 8000 chips. Wireless LAN uses Wi-Fi 7 (802.11 be) and wired LAN reaches 5Gbps, so throughput depends on router and cable quality.

How it compares

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

Price $1,353.99
Pricier than about 92% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG STRIX X870E-H S MIKU+R9 9900 × 3D
Part numberROG STRIX X870E-H S MIKU+R9 9900 × 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

5 more in the same range

Questions about this item

Will the 120W Ryzen 9 9900X3D need a cooler upgrade later?

The CPU has a 120W TDP; the motherboard's 16+2+1 power stages rated for 80A each and massive heatsinks with high-conductivity thermal pads are designed to handle multi-core loads, so a quality air or liquid cooler matched to 120W is sufficient.

What thermal limit appears first during all-day loads on the PCIe 5.0 M.2 slots?

Each of the two PCIe 5.0 M.2 slots includes substantial cooling solutions; sustained heavy I/O will hit the drive's own thermal throttle point before the motherboard heatsink saturates.

How loud and hot does the VRM area get when the 12-core CPU runs at 120W continuously?

The 16+2+1 phase design at 80A per stage with dual ProCool II connectors and large integrated heatsinks keeps VRM temperatures low, allowing AI Cooling II to run fans at lower RPM for quieter operation.

More in Motherboards for AMD CPUs

Similar items