ASUS ROG STRIX X870E-H S MIKU AMD motherboard & Ryzen 9 9950X3D CPU combo
This motherboard and CPU combo pairs an AMD X870E ATX board with Wi-Fi 7, DDR5 support to 8000 MT/s, dual USB4 and four M.2 slots with a 16-core Ryzen 9 9950X3D featuring 128 MB L3 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
CPU + Ryzen 9 9950X3D
- Ready for Ryzen 9000, 8000 and 7000 series on AM5 socket
- 16+2+1 power stages rated 80A with dual ProCool II connectors
- Two PCIe 5.0 and two PCIe 4.0 M.2 slots with heatsinks
- Dual USB4 Type-C plus USB 20Gbps front and USB 10Gbps rear with 30W PD
- Ryzen 9 9950X3D with 128MB L3 cache and Radeon graphics
Combo purpose
This motherboard and CPU bundle pairs the ROG STRIX X870E-H S MIKU board with the Ryzen 9 9950X3D processor. It targets enthusiasts who want a ready-to-build platform for gaming and AI workloads without selecting parts separately. The AM5 socket supports Ryzen 7000, 8000 and 9000 series chips. The package delivers 7.1 channel audio and WIFI7 connectivity.
Upgrade path
The combo replaces an older AM4 or early AM5 system that lacks PCIe 5.0 M.2 slots and dual USB4 ports. The jump is worth it when you need 128MB of L3 cache, 170W TDP headroom and 80A power stages for sustained multi-core loads. Four DDR5 slots accept up to 256GB at 8000+ MT/s. Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots all include heatsinks.
Interface limits
PCIe 5.0 x16 graphics bandwidth is available only with Ryzen 9000 or 7000 series CPUs; Ryzen 8000 series drops to PCIe 4.0 x8 or x4 mode. The primary M.2 slot runs at PCIe 5.0 x4, the second at PCIe 5.0 x4, while the remaining two operate at PCIe 4.0 x4. SATA stays at 6Gbps across four ports. Rear LAN peaks at 5Gbps and wireless uses 802.11 be.
How it compares
Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.
- Price $1,328.99
- Pricier than about 92% of the 1,906 comparable items (median $224.49).
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Specifications
| Product | |
|---|---|
| Brand name | ASUS |
| Product line | ROG STRIX |
| Model name | ROG STRIX X870E-H S MIKU+R9 9950 × 3D |
| Part number | ROG STRIX X870E-H S MIKU+R9 9950 × 3D |
| Processor | |
| Processor | AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors |
| CPU socket | AM5 |
| Chipset | AMD X870E |
| Memory | |
| Memory slot count | 4 × 288pin (DDR5) |
| Supported memory | Supports up to 8000+MT/s(OC) |
| Max supported RAM | 256 GB |
| Memory channels | Dual Channel |
| Storage | |
| SATA ports | 4 x SATA 6Gb/s |
| M.2 slots | Supports 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 support | AMD 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 chip | Realtek 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 channels | 7.1 Channels |
| Connectivity | |
| Maximum network speed | 5 Gbit/s |
| Wi-Fi standard | Wi-Fi 802.11 be |
| Bluetooth support | 5.4 |
| Ports & slots | |
| PCIe 5.0 x16 slots | AMD 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 slots | 1 x PCIe 4.0 x16 slot (supports x4 mode) |
| Onboard USB headers | 1 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 connectors | 1 × 24-pin Main Power connector 2 × 8-pin +12 V CPU Power connector |
| Size & build | |
| Form factor | ATX |
| Width and length | 12.0 in × 9.6 in |
| Compatibility | |
| Windows 11 support | Supported |
| More details | |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
Other versions of this model
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ASUS TUF GAMING X870-PLUS WIFI AM5 AMD Motherboard & Ryzen 9 9900X3D CPU Combo
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ASUS TUF GAMING X870-PRO WIFI7 W NEO AMD motherboard & Ryzen 9 9900X3D CPU combo
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ASUS ROG STRIX X870-I GAMING WIFI + Ryzen 9 9900X3D AMD motherboard CPU combo
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- 4 × 288pin (DDR5)
Questions about this item
What case clearance do the massive heatsinks and integrated I/O cover on the ROG STRIX X870E-H S MIKU need?
The board uses an ATX form factor with large heatsinks and an integrated I/O cover; verify your case lists ATX support and check CPU cooler height clearance against the VRM heatsink zone.
Which power cables must be plugged into the dual ProCool II connectors on this motherboard for the 170W Ryzen 9 9950X3D?
Connect both 8-pin EPS cables from the PSU to the dual ProCool II headers; the 16+2+1 power stages are rated for 80A each and need both connectors for stable delivery.
When should the thermal pads on the four M.2 slots be inspected or replaced?
Check the high-conductivity pads on the two PCIe 5.0 and two PCIe 4.0 M.2 slots whenever you swap drives or after several years of heavy write workloads.
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