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Compact mini ITX motherboard with large heatsinks and pre-mounted I/O shield, paired with a Ryzen 7 9700X processor

ASUS

ASUS ROG Strix B850-I Gaming WiFi AMD motherboard & Ryzen 7 9700X CPU Combo

SKU CH-AD5S-PA563

Mini-ITX AM5 motherboard paired with an 8-core Ryzen 7 9700X CPU, DDR5 up to 96 GB, dual PCIe 5.0 M.2 slots, WiFi 7, 2.5 Gb LAN and 10+2+1 70 A power stages

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots2x288pin (DDR5)
  • Maximum Memory Supported96GB
  • Channel SupportedDual Channel
  • ECC SupportedYes

Motherboard ROG STRIX B850-I GAMING WIFI

Struck-through versions exist but are not stocked here.

CPU + Ryzen 7 9700X

  • Ready for Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • AI Overclocking, AI Networking II and AEMP simplify setup and boost performance
  • 10+2+1 power stages rated to 70A with ProCool connectors deliver stable power
  • Two PCIe 5.0 M.2 slots, one heatsink-cooled, provide fast storage expansion
  • On-board WiFi 7 and Intel 2.5 Gb Ethernet give high-speed wired and wireless networking

Mini-ITX AM5 combo with Ryzen 7 9700X

This bundle pairs a compact ROG Strix B850-I motherboard with an eight-core Ryzen 7 9700X processor. The board fits small-form-factor cases while keeping the full AM5 feature set. It targets builders who want high single-thread gaming speed without a full-size ATX footprint.

96 GB DDR5 headroom and dual PCIe 5.0 M.2

Two DDR5 slots support up to 96 GB in dual-channel mode, enough for heavy multitasking and content work. EXPO and AEMP profiles simplify memory tuning. Two M.2 sockets both run at PCIe 5.0 x4; the primary slot includes a large heatsink, the second relies on board airflow. SATA RAID 0/1/10 is available for additional arrays.

10+2+1 70 A power stages for eight-core loads

The VRM uses ten core phases plus two VCCGT and one VCCSA stage, each rated to 70 A, fed by ProCool connectors. This design sustains the 9700X at stock and modest PBO settings without throttling. Heavy all-core overclocks will eventually hit thermal limits in a tight Mini-ITX chassis.

Highlights

  • Ready for Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • AI Overclocking, AI Networking II and AEMP simplify setup and boost performance
  • 10+2+1 power stages rated to 70A with ProCool connectors deliver stable power
  • Two PCIe 5.0 M.2 slots, one heatsink-cooled, provide fast storage expansion
  • On-board WiFi 7 and Intel 2.5 Gb Ethernet give high-speed wired and wireless networking

Specifications

BrandASUS
ModelROG STRIX B850-I GAMING WIFI+R7 9700X
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots2x288pin (DDR5)
Maximum Memory Supported96GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureDual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP)
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot(s)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot(s)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type02242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (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 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
SATA RAIDAMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1
Audio ChipsetRealtek ALC4080
Audio ChannelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Unique de-pop circuit
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x USB 20Gbps port(s)
5 x USB 10Gbps port(s) (4 x Type-A + 1 x USB Type-C with DP Alt mode)
2 x USB 2.0 port(s) (2 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
3 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
1 x FlexKey button
Onboard USB1 x USB 10Gbps connector (support(s) USB Type-C)
1 x USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports
1 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header(s)
1 x 4-pin AIO Pump header(s)
1 x 4-pin Chassis Fan header(s)
1 x Extra Flow Fan header(s)
Miscellaneous
2 x Addressable Gen 2 header(s)
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x 10-1 pin Front System Panel header
1 x Thermal Sensor header
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Power Pin1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS // UEFI AMI BIOS(text-based)
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (60 days free trial)
- Aura Creator
- Aura Sync
- GameFirst
- HWiNFO
- Power Saving
ASUS AI Advisor
ASUS DriverHub
ASUS GlideX
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
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
Windows 11Windows 11, Windows 10 64-bit
Windows 11 (22H2 later)
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- 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 backplate
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 header(s)
Package Contents1 x AMD Ryzen 7 9700X CPU
Cables
1 x Panel cable
1 x ROG USB2.0 splitter cable
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 backplate Q-Latch package(s)
1 x M.2 Q-Slide package
1 x ROG key chain
1 x M.2 backplate rubber package(s)
1 x Screw package(s) for M.2 SSD
Documentation
1 x Quick start guide

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Questions about this item

Will my existing DDR5 memory kits work with the 2x288pin slots on this B850 board?

The board has two 288-pin DDR5 slots supporting dual-channel architecture up to 96 GB. It accepts AMD EXPO and ASUS AEMP profiles, so any standard DDR5 DIMM that fits those specifications will operate correctly.

How can I confirm the 10+2+1 power stages and AI Overclocking are functioning after I build the system?

Enter the UEFI and open the AI Overclocking guide; it will display the predicted frequency and voltage for the Ryzen 7 9700X. The Q-Dashboard and Q-LED indicators on the I/O cover also show real-time power-phase activity and boot-status codes.

Does the combo include the CPU cooler, Wi-Fi antennas or any M.2 screws, or must I buy them separately?

The package contains the ROG Strix B850-I motherboard with pre-mounted I/O shield, the Ryzen 7 9700X processor, a Q-Antenna for WiFi 7, M.2 Q-Latch and Q-Slide hardware, plus the usual cables and documentation. A CPU cooler is not included.

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